Tools

Park's Compact Crank Puller is used to remove Shimano Octalink, ISIS Drive and square-taper cranksets. It includes 2 rotating tips (16.3 and 11.3mm) to make the job easy. This is a great tool for your travel and home tool kit.

To prevent poor shifting and uneven drivetrain wear, most manufacturers recommend chain replacement at or before 1% stretch. Now you can quickly and accurately determine the wear and stretch of any chain with Park's Chain Checker. Simply insert the Chain Checker’s pins into 2 links, press the swingarm gauge tight, and then check the gauge window for an accurate reading!

Park's Hex Wrench Set offers all the popular Allen wrenches (1.5, 2, 2.5, 3, 4, 5 and 6mm) in a convenient fold-up unit. The tool tips are chamfered for a positive grip and the one-piece fiber-reinforced-resin handle is light, comfortable, slip resistant and 40% stronger than steel.

Park Tool introduced the bicycle world to the 3-way hex wrench set over 30 years ago. Our 3-way wrenches fit perfectly in the palm of the hand and provide excellent leverage, making them a favorite of countless shop mechanics worldwide. AWS-1 FEATURES - 4mm, 5mm, and 6mm hex set - Wrenches made from industrial tool steel, through hardened and tempered for long life - Chamfered tips for a perfect fit

Park's Mini Chain Brute Chain Tool goes anywhere and features a V-shaped handle, a super-strong replaceable pin, and fine threads to make chain removal and installation a breeze. The CT-5 works on any derailleur chain, including Shimano Hyperglide and 9-, 10-, and 11-speed. It works for loosening tight links, too.

Park's Chainring Nut Wrench makes chainring bolt installation and removal easy. It securely holds the slotted nut to prevent spinning when tightening or loosening the bolt. And, it's double-ended to fit most slotted-type nuts, including Campagnolo chainring bolt nuts.

A favorite of shop mechanics for over 30 year's, Park's CCP-22 Crank Puller removes crankarms that feature square tapers, and those that fit on Power Drive and Power Spline bottom bracket interfaces. The long, comfortable, built-in handle and fine thread provide the leverage needed to remove even the tightest crankarms. And, there's a rotating tip to ensure smooth operation and long life.

Park's BBT-18 is a heavy duty, investment cast tool for installing and removing all Shimano, ISIS Drive, and ISIS Overdrive 8-notch bottom bracket cups.

Cleans bicycle chain quickly, easily, and effectively — without the hassle and mess of removing the chain from the bike. The Cyclone uses a large solvent reservoir, hundreds of rotating bristles, and a two-step cleaning process to get chains really clean, improve shifting performance, and extend the life of the chain and other expensive drivetrain parts. - Works with all multi-speed bikes (5, 6, 7, 8, 9, 10, 11, and 12-speed) as well as some single-speed models and e-bikes - Strong magnet at the bottom of the fluid reservoir holds metallic particles scrubbed from the chain - Special wicking sponge draws solvent from the chain as it exits, minimizing drips and mess - Sturdy handle makes the Cyclone easy to use and control - Holds 2 fluid ounces (59ml) of solvent

Park’s Professional Cable And Housing Cutter is specifically for use on derailleur and brake cables and housing. It even makes quick work of hard-to-cut shift-cable housing. Its cold-forged, heat-treated-steel handles won't bend and its precision-ground jaws cut perfectly every time. Its dual-density molded grips are specially contoured for superior comfort and control. Plus, there’s a built-in cable-end crimper and a forming hole for reforming housing ends.

Park's Gear Clean Brush has a handle on one end with a curved, serrated edge perfect for cleaning between cassette cogs. The other end's tough nylon bristles are ideal for cleaning the derailleurs, chain and other drivetrain parts to keep them clean and prevent premature wear. It also works great on brakes and other components that collect dirt and grime. The GearClean easily fits in a toolbox or pack.

Park's Heavy-Duty Tire Levers handle the toughest tire-and-rim combinations including difficult downhill and freestyle tires. Their specially designed tips engage the tire bead so it can be removed with just two levers. Plus, these beefy, forged-steel levers are a full 8-inches long for superior leverage.

An economical option for safely and accurately tightening fasteners to proper torque specifications. With a simple gauge readout, the TW-1.2 is intuitive and easy to use, and applies up to 14 Nm of torque to any fastener or component with left or right-handed threads. Perfect for low-torque applications such as stem bolts, levers, and carbon fiber components. 3/8" drive for compatibility with all Park Tool sockets, bits, and crow feet. - 0 to 14 Newton meter (0 to 140 inch-pound) range - 3/8" drive - Reads and registers torque values for both left hand and right hand threading - Length: 11.5" (292 mm)

Many chains use a master link that allows the chain to be installed and removed by hand. While master links don't require traditional chain tools, over time, dirt and corrosion can make it difficult to separate them by hand. Park's Master Link Pliers make removing and installing these master links quick and easy. Simply insert the specially sized jaws into the link and squeeze the vinyl-coated handles!

Park's Valve Core Tool is great for tightening, removing and installing Schrader and Presta valve cores (the cores are inside the valve), and also Presta valve extenders that have 5mm wrench flats. It's a handy tool to save a tube when all that's wrong is a broken valve, and it also lets you remove valves to easily insert sealant.

A great way to hold small parts, tools and components during a repair, Park Tool's Benchtop Overhaul Mat features multiple small pockets and one large work area. It's perfect for suspension work or to organize parts for installation. • Made of a rubber-like PVC • Cleans easily and looks great on any bench • Measures: 14.7” x 7” (38cm x 18cm)

Park's I-Beam Mini Fold-Up Hex Wrench/Screwdriver/Torx Set with Chain Tool includes 1.5, 2, 2.5, 3, 4, 5, and 6mm Allen wrenches, a socket 8mm Allen, a regular screwdriver, a T25 Torx tool (for disc-rotor bolts), a tire lever, spoke wrenches and a chain tool. The I-Beam conveniently fits in pockets and packs, too.

Park Tool's Bottom Bracket Bearing Tool Set removes and installs (with a bearing press which is sold separately) BB86, BB90, BB92 and Press Fit bottom brackets from Shimano, Race Face, SRAM and others that use a nominal 24mm-diameter spindle. This tool has a bearing remover that fits inside the bottom bracket shell and into the bearing so the bearings can be tapped out of the frame with a hammer. The set also includes two bushings that you use in conjunction with a bearing press for precision bearing installation (bearing press sold separately).

Park's Tire and Tube Repair Kit is a riding essential. It features Park’s glueless Super Patch Kit and strong nylon Tire Levers for quick and easy flat repairs. The kit comes with 3 levers, 6 patches in a small container, and a piece of sandpaper (for roughing the tube to prepare it for patching).

The MTC-40 features a super strong, composite, multi-position handle, with hardened and plated tools and smooth ergonomic operation. Lightweight, compact, and perfect to carry along. - 2.5, 3, 4, 5, 6 and 8mm hex wrenches - T25 & T30 Torx compatible driver - Combo cross/straight tip screwdriver - 5- to 12-speed compatible chain tool* - Rotor straightener - CO2 cartridge inflator adaptor - Bottle opener - Key ring holder - Weight: 217g (7.65 ounces) *The MTC-40 chain tool will not peen Campagnolo 11-speed chain rivets (see CT-4.3 or CT-6.3)

Big and powerful, Park's Adjustable Wrench is forged from steel and chrome plated for maximum durability. Its jaws open up to 36mm and the torque-friendly, 12-inch handle is vinyl dipped for comfort.

Park's Torx Wrench Set is just what you need to make repairs on many of your bike parts that use Torx (star-shaped) fittings, such as disc brakes, pedals, chainring bolts, and others. It offers the common bicycle wrench sizes (T7, T9, T10, T15, T20, T25, T27, T30 and T40) in a convenient fold-up set. Its composite handle is super strong, comfortable to use and slip resistant.

Choose the perfect tool for the job with Park's P-Handled Hex Wrenches. These top-shelf Allen wrenches come with offset handles made from durable nylon in a comfortable, ergonomic design. They are made of chrome vanadium for exceptional durability. The long shafts feature Bondhus heads for accessing hard-to-reach bolts and the short ends are chamfered for extra grip and high-torque applications.

Park's Shop Screwdrivers are pro-quality tools featuring durable and precise heat-treated chrome-vanadium tips and shafts and dual-density handles for an excellent grip.

Park's Hex Wrenches are every mechanic's best friend. They are constructed from industrial quality steel for durability and feature chamfered tips for a precision fit. And, their convenient L shape is perfect for jobs that require lots of leverage or for getting to hard-to-reach bolts.

Park's Threadless Star Nut Setter makes it quick and easy to install star-fangled nuts used with 1-inch and 1-1/8-inch threadless headset systems. Using a durable steel driver the TNS-1 sets the star nut to the perfect depth every time.

Made from high precision, hardened Cro-Moly steel, Park's Bottom Bracket Tool (External Bearing) can be turned with a 3/8" drive wrench, 1" wrench, or Park Tool FRW-1 Freewheel Remover Wrench (each sold separately).

Park Tool's Bottom Bracket Tapping & Facing Set is a precision tool system which provides a piloted means of tapping the threads in the bottom bracket shell of a frame. After tapping, the taps act as guides to keep the included facing cutter perfectly square with the axis of the bottom bracket for cleanup of the faces of the bottom bracket shell. The BTS-1 includes English taps, 1.370" x 24 TPI right hand thread for the adjustable cup, and 1.370" x 24 TPI left hand thread for the fixed cup. Italian thread taps, 36mm x 24 TPI right hand thread (Part #693) for the adjustable and fixed cups, are available as accessories.

Proper frame preparation is very important. Park Tool's Head Tube Reaming and Facing Set combines reaming and facing of the head tube to create a perfect fit for most sizes of head cups. Includes: • 30.1 mm reamer (part #751.2) and four different size pilots (29.8mm, 30.0mm, 33.8mm, and 36.8mm) • 690 facer • Quick-release, quick-adjust feature: bottom portion slides off and on easily without threading SHIS terminology: The HTR-1 as stock will face frames of EC29, EC30, EC34 and EC37. It will ream frames of EC30. Accessories will allow service in other standards.

Frame Taps will become a lifesaver at some time for virtually every mechanic. As with all Park Tool Taps, these are made of high carbon steel and are precision ground. Park Tool Frame Taps cut easily and fit conventional tap handles. The TAP-10 is a 10mm x 1mm thread, the same thread for the derailleur hanger.

The MT-10, 20, 30 and 40 are high quality folding take-along tools that feature forged aluminum side plates, a mix of hardened and plated tools, and smooth ergonomic operation.

Designed and built with the specific needs of the bike mechanic in mind. The RP-SET.2 includes five professional quality pliers for internal snap rings and one for external snap rings. Pliers are made from forged, heat treated cro-moly steel with a return spring and vinyl dipped grips. RP-1: .9mm straight internal. Opens from 22mm down to 0 (tips touching) RP-2: 1.3mm bent internal. Opens from 22mm down to 2mm (center to center) RP-3: 1.3mm bent external. Opens from 2mm (center to center) up to 18mm RP-4: 1.7mm bent internal. Opens from 21mm down to 2mm (center to center) RP-5: 1.7mm straight internal; Opens from 25mm down to 0 (tips touching)

Get those heads sealing like new and reduce compressor energy waste with Park Tool's Head Seal Kit. This kit will help get rid of that hissing sound you've been hearing when it has been too long since servicing your Park Tool INF-1 or INF-2 shop inflator. Kit includes: - 1 #1586 Presta Seal - 1 #1588 Schrader Seal - 2 #1576-2 O-rings for Shuttle-valve - 1 #1682-2 O-ring for INF-1 and INF-2 Head Adaptors

Park Tool offers premium-quality reamers for nearly any bicycle standard. The reamers below are designed to quickly, accurately, and precisely ream headtubes when used with Park's Head Tube Reamer (HTR), ensuring a perfect headset fit and prfoessional-quality bicycle build. Choose the correct reamer for your application using the following information: - 751.2: This reamer is sized to 30.1mm. This allows a 0.1mm interference fit when pressing the 30.2mm headset of the “Euro” one-inch standard. - 754.2: This reamer is sized to 33.9mm. The allows a 0.1mm interference fit when pressing the 34.0mm headset of the 1-1/8" standard. - 788: This reamer is sized to 43.95mm. It reams head tubes to accept “internal” headset cups with 44.05 - 44.10mm O.D. (1-1/8 ZS standard). It is used with Park Tool's 690-XL Facing Cutter and 750 Centering Cone. - 738: This reamer is sized to 52.1mm. It is used to ream head tubes using the 1-1/2" integrated headset standard. It is used with Park Tool's 690-XL Facing Cutter and 750.2 Centering Cone Adapter. - 789: This reamer is sized to 55.95mm. It is used to ream head tubes to accept “internal” headset cups with 56.00–56.10mm O.D. (1-1/2 ZS standard). It is used with Park Tool's 690-XXL Facing Cutter and #750 Centering Cone Adaptor. - 799: This reamer is sized to 47mm. It is used for cutting the lower head tube on frames using an IS47 bearing for a 1-1/4" integrated headset. It cuts a 45-degree bearing set shoulder.

The Park Tool Fold-Up Hex Wrench Set combines 4, 5 and 6mm hexes, a flat blade screwdriver and a T25 Torx compatible driver into one convenient fold-up tool. Its multi-position composite handle is comfortable, lightweight, slip-resistant, and 40% stronger than steel handles.

No more need to hold wheels between your knees, balance on a bench top or ask for help. The WH-1 Wheel Holder firmly holds thru axle and quick release wheels at three convenient positions. It’s like having a strong helper to hold wheels during cleaning, tire and tube work, hub work, cassette work, and tubeless installation. The WH-1 can be bolted or clamped directly to a bench or installed in a bench vise. Uses and Features: - Quick and easy access to hold virtually any wheel to perfectly position your work for a variety of tasks including but not limited to: - Wheel building -Cassette removal and installation - Tire and tube removal and installation - Tubeless tire work - General cleaning - Hub work - Holds wheel at vertical, 35 degrees from vertical, and horizontal positions - Accepts 12, 15, and 20mm thru axles and 5mm skewers - E-Nickel finish for durability

Professional quality T-Handle star-shaped wrench built for speed, efficiency, leverage and a perfect fit. - Carefully selected combination of Chrome Vanadium and S-2 tool steels - Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless - Sliding T-handle creates increased leverage and multiple access positions

Refill pack for the Park Tool TPT-1 Tubeless Plug Tire Tool and other similar tools. These vulcanized rubber plugs are used to temporarily repair punctures in tubeless bicycle tire systems. Set of 5. NOTE: Intended for tubeless bicycle tires using sealant only. Not compatible with inner tube systems.

Park Tool's Replacement Chain Tool Pin fits Park Tool's CT-6, CT-6.2, and CT-6.3 Chain Tools (each sold separately). • Made from hardened alloy tool steel • NOTE: The 985-1 will also push out the chain rivet completely from the chain side plate.

Keep your most commonly used tools close at hand with this clever, multi-function tool holder. The TK-4 was painstakingly designed with pockets and holders for specific tool shapes and sizes as well as some generic storage areas. The Tool Kaddie rotates for easy access and is molded from a durable composite material. - Stand Mount mounts to any Park Tool Professional Shop Stand (all versions of PRS-2, -3, -4, and -33) - Specific slots and holders for 3-way hexes, screwdrivers, P-Handles, pliers/cutters - Generic slots and holders to hold a wide variety of tools and small parts - Mounting location to directly attach HXH-2P or HXH-2T P-Handle Holders (sold separately) - Built-in receiver port for PTH-1 Paper Towel Holder (sold separately)

Securely holds the TS-4.2 Professional Wheel Truing Stand and tilts 20 degrees from front to back for comfortable wheel work and sight lines at any bench height. Features a wide, sturdy base, small parts compartments, spoke wrench holders, and is constructed of a durable composite material.

A dirty drivetrain causes poor shifting and unnecessary wear to expensive parts. The Chain Gang contains everything needed to quickly and easily clean the chain, freewheel cogs, and chainrings. The Chain Gang includes: - CM-5.3 Cyclone Chain Scrubber - GSC-1 GearClean Brush - 8 oz. bottle of Bio ChainBrite The CG-2.4 works on nearly any bike, including multi-speed, single-speed, and e-bikes.

Designed and built specifically for a wide variety of bicycle Torx compatible work, the THT-1 is a set of eight common sizes of professional quality T-Handle star-shaped wrenches built for speed, efficiency, leverage and a perfect fit. Soon to become your favorite Torx compatible set, the THT-1 includes a handy tool holder that mounts to any vertical surface, including pegboard and solid surfaces (fasteners not included). - Carefully selected combination of Chrome Vanadium and S-2 tool steels - T6, T8, T10, T15, T20, T25, T30 and T40 Torx compatible wrenches included - Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless - Sliding T-handle creates increased leverage and multiple access positions - Tool holder is included with the set and mounts to any wall, bench or tool box, perfectly positioning each wrench for easy access and storage

The TWB-36 is a crow foot style wrench used with any 3/8-inch drive torque wrench and drive tools with 36mm wrench flats such as Park Tool LRT-2, LRT-3, LRT-4 and BBT-18 to verify components are torqued to the correct specification. Constructed from heat-treated 4130 laser-cut steel and plated for long life.

We put together this set of carefully chosen tools to do basic maintenance and cleaning as well as perform a wide variety of repairs and adjustments on just about any bicycle. A perfect way to start or add to your collection of shop-quality bicycle tools. The AK-5 includes a tough toolbox to protect your investment. Kit Includes: - AWS-1 3-Way Hex Wrench - BBB-4 Big Blue Book of Bicycle Repair - CC-4 Chain Checker - CM-5.3 Cyclone Chain Scrubber - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CT-3.3 Chain Tool - DCW-1 Double-Ended Cone Wrench: 13/14mm - DCW-2 Double-Ended Cone Wrench: 15/16mm - DCW-3 Double-Ended Cone Wrench: 17/18mm - DH-1 Dummy Hub - DT-2 Rotor Truing Fork - FR-5.2 Cassette Lockring Tool - GSC-1 GearClean Brush - HCW-16.3 Chain Whip/Pedal Wrench - HXS-1.2 Professional L-Shaped Hex Wrench Set - MLP-1.2 Master Link Pliers - PAW-12 12" Adjustable Wrench - RR-12 Tape Measure - SD-2 #2 Phillips Screwdriver - SD-3 3mm Flat Blade Screwdriver - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - TL-1.2 Tire Lever Set - TWS-3 Torx Compatible 3-Way Wrench - VC-1 Valve Core Tool

The TRY-1 Parts and Beverage Tray is twelve inches in diameter, looks great on the workbench and will carefully hold anything from derailleurs to tallboy cans to pint glasses. It has a tacky surface coating that will keep objects from sliding around and can easily switch from business to party by placing your favorite beverage on its no-slip surface.

The RT-1 Head Cup Remover makes headset cup removal easy. The tool is pulled through the frame until the flared ends snap in behind the cup. A blow on the tool head removes the cup. • Fits 1”, 1-1/8” and 1-1/4” headsets • Strong, heat treated alloy steel with nickel finish The RT-1 will also remove the PressFit 30 (PF30) bottom bracket units. The PressFit 30 inside diameter is the same as headset cups, and are pressed in the same manner. SHIS terminology: Removes cups of EC29, EC30, EC34, EC44, ZS41, and ZS44

A daily-use, shop version of Park Tool's world-famous CM-5.2 Chain Scrubber. The CM-25 features a super-tough die-cast aluminum case and handle, plus a unique brush/sponge replacement cartridge that makes it easy to keep it running smoothly and working properly. Park Tool's proven four-sided scrubbing action makes thoroughly cleaning chains quick and easy. A shop quality cleaner built to give years of constant use. - Proven chain scrubbing technology leaves chains sparkling clean - Durable A380 aluminum die cast case and removable handle - Dual-sided sponges and wicking pads to help reduce drips - Rotating brushes clean on all four sides of every link - Brush and sponge cartridge quickly and easily clicks in and out (RBS-25) - Locking cover with stainless steel hinge pins - Choose drip or immersion fluid application methods - 100% serviceable

Engineered for fit, function, and leverage, these L-shaped shop-quality hex wrenches are a must have for every workshop. - High-torque, industrial steel wrenches - Straight hex shaft on the short side, ball end on the long side - Includes 2, 2.5, 3, 4, 5, 6, 8, and 10mm - Comfortable, ergonomically designed nylon handles fit perfectly in your hand - Durable wall/pegboard mount tool holder allows easy access and organization

Designed and built specifically for a wide variety of bicycle hex work the THH-1 is a set of eight common sizes of professional quality T-Handle hex wrenches built for speed, efficiency, leverage and a perfect fit. Soon to become your favorite hex set, the THH-1 includes a handy tool holder that mounts to any vertical surface, including pegboard and solid surfaces (fasteners not included). - Carefully selected combination of Chrome Vanadium and S-2 tool steels - 2, 2.5, 3, 4, 5, 6, 8 and 10mm hex wrenches included - Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless - Machined, chamfered tips allow easier insertion into hex fittings - Integrated “Strip-Gripper” twisted hex that makes removal of most bolts with stripped or over-sized hexes fast and easy - Sliding T-handle creates increased leverage and multiple access positions - Tool holder is included with the set and mounts to any wall, bench or tool box, perfectly positioning each wrench for easy access and storage

Suspension maintenance and tuning require tools designed for a precise fit. The SKT-6 from Park Tools is a shop-quality set of six flat-faced sockets designed for use with common suspension fork fittings. Ideal for use with Park Tool Torque Wrenches, the 3/8-inch drive sockets are forged from tough chrome vanadium steel and chrome plated for lasting durability. - 24, 26, 27, 28, 30, 32mm flat-faced sockets - All sockets are 3/8" drive - Note: 27mm socket is tapered for better access on Suntour suspension forks

Keep your work area tidy with Park's Bench Top Small Parts Holder. It's constructed from rugged stainless steel with a clear, acrylic hinged top that lets you see what's inside. It also includes 4 removable bins that are perfectly sized to hold small parts, cable end caps, grease and whatever other little items you can think of.

Park's Crank Puller is for removing crankarms on Shimano's splined, oversize, pipe-billet bottom brackets. It employs a long handle and a fine thread for the leverage and torque needed to remove tight arms. Park's unique rotating tip ensures smooth operation and long life. (The CCP-44 does not fit standard square or tapered bottom brackets.)

The Magnetic Parts Bowl is the ideal solution for keeping track of small metal parts. It's 6 inches in diameter and featues an extra-strong magnet so bearings, cones and springs stay put and you don't lose them.

World-famous Park Tool quality wrapped up in a great set of metric combination wrenches. Forged from chrome vanadium steel, chrome plated, meticulously polished, then center dipped in Park Tool blue vinyl for a positive grip.

Park's Hydraulic Brake Piston Press is used to set or reset the piston(s) inside hydraulic disc brake calipers during installation, maintenance and repair. Just push it into the caliper to wedge the piston into place. It's made of tough tool steel with a comfortable and oversize rubber handle for a great grip.

Park Tool's Fork Threading Set is designed for cutting new threads and for chasing existing threads on fork columns that are not chromed. The FTS-1's expandable cutting dies are made from the highest quality high-speed steel for precision cutting and long life. The unique thread guide system used with the FTS-1 is specially designed to allow the metal chips and shavings that result during use to fall completely through the guide, preventing damage to the fork threads and the tool. The FTS-1 includes: • Die handles • 1" x 24 tpi cutting die (Part #606) • 1" cutting guide (Part #610) Accessory dies and guides are also available separately: • 1-1/8" x 26 die (Part #607) • 1-1/8" guide (Part #611) • 1-1/4" x 26 die (Part #608) • 1-1/4" guide (Part #612) Die handles fit all three sizes of dies and guides.

Park Tool's Right Hand Bottom Bracket Tap is a replacement tap for their BTS-1 Bottom Bracket Tap Set (sold separately). This tap is used on the non-drive or left side of the bike, which uses a clockwise or "right hand threading." Two taps are required for use.

World-famous Park Tool quality wrapped up in a combination metric wrench. Features both open and 12-point two-way ratcheting box ends. Forged from chrome vanadium steel, chrome plated, meticulously polished, then center dipped in Park Tool blue vinyl for a positive grip. Strong, comfortable, and beautiful!

Precisely machined for a perfect fit, this 8-notch tool removes and installs the lockring that retains front chainrings found on Bosch Gen 2 e-bike motors after the crank arm is removed. - Fits Bosch Active Line (chainrings less than 20 teeth), Performance Line and Performance Line CX models - For lockrings with 50mm outside diameter and 8 notches - Replacement for Bosch 0275009003 tool - Torque wrench compatible 3/8-inch square drive - Constructed of 4140 heat treated steel and plated for long life