Bicycle bike steel chain breaker splitter cutter solid repair tool, also can be used as a small hammer; You no longer need to make tremendous force to remove the chain pins of your bike; With this solid chain tool, you will find chain removal and installation a breeze; This small but powerful and precise tool is specially designed to quickly and accurately remove and install chain pins; With superior strength and durability, it features a handy loosening shelf to remedy stiff links after reassembly; The fine thread and comfortable size enables easy removal of even the toughest chain pins.