Feature:1. Suitable Range: Suitable for bicycle mountain bike crank, used for fixing and spline crank.2. Labor Saving: Adopts high quality carbon steel which is stable and durable, strong can save labor and energy.3. Bottom Bracket Removal Tool: Bottom bracket remover with 12 teeth is used to disassemble bike bottom bracket.4. Package Content: A package includes a chain breaker, a crank extractor, a bottom crank bracket removal tool and a bottom bracket remover.5. Using Tip: Need to be used with monkey wrench, monkey wrench is excluding in the package.Specification:Item Type: Bike Crank Puller SetWeight: Approx.385g/13.6ozBottom Bracket RemoverColor: BlackTeeth: 12 TeethMaterial: Carbon SteelShape: 6 Pin Screw ShapeApplication: Suitable For Any Other Brand Spline Bottom BracketFits Any 20 Toothed Spline Central Axle, Usually Used For Any Bike TypeCan Be Used With A 24mm Socket, Wrench Or Adjustable WrenchRemove Multi Flywheels And Other Tower Wheels For Mountain Bikes And Road BikesBicycle Chain BreakerMaterial: SteelFunction: Specially Designed For Removing And Mounting Chain Pins.Application: For Regular Bike Chain For 8/9/10 Speed, For All Regular Bike Chains.Crank ExtractorColor: Black And SilverApplication: Suitable For Taper Crank GroupFunction: Extension Ejector For Removing Links And CranksUsing Method: Just Need An Adjustable Wrench Or A 5/8 Or 16mm Wrench And Then Remove Bolts On Crank Arms Screw The Lower Black Part Of The Tool Into The Crank Until It Is Tightened, Screw In And Continue To Tighten The Silver Part Of The Tool Until The Crank Begins To MoveBottom Crank Bracket Removal ToolMaterial: Carbon SteelColor: SilverProduct