The KMC Mini Chain Tool is the perfect companion on or off road. The chain de-rivetter is made of aluminium and ideal for shortening 9- to 12-speed chains. This small chain breaker tool goes anywhere and actually performs like a shop quality tool. The fine thread, removable handle, and super strong replaceable pin make chain removal and installation a breeze. For better precision when removing and inserting chain pin.Applicable for : 8, 9, 10, 11, 12 speedIncludes : Chain tool, Handle, 5mm hex wrench, Tool bag Portable & Easy-to-Use De-RivetErgonomic and PortabilityMade of aluminum alloy weighing only 25g Bullet-shaped design to easily carry in your pocket. Storage pouch included. Great for out in the field or in your garage.Easily lock on｜Precisely de-rivetThe Mini Chain Tool securely locks the chain into place at just the right spot WORK SAFER WITH BETTER ACCURACY Versatile design that works with chains up to 12 speeds.Safety FeaturesChain completely covered by screw-in cap prevents accidents during de-riveting.Chain sits firmly against the chain seat while the screw-in cap securely pushes out the pin. Accurate pin-directed force for safety and efficiency.All New Design｜ Quick & Easy De-Riveting Designed for use with a hex key L wrench allowing you to find the best possible angle for leverage. Inner screw fits precisely within the cap, so pressure can be applied to pin evenly, safely, and efficiently.