PRO Chain Tool Description: The PRO Chain Tool is a highly adaptable chain breaker tool for 1 to 9-speed generation chains. Users will be able to approach bicycle chain maintenance with ease using the ergonomically designed handle featuring a textured grip profile. Drive chain pins with accuracy using the guide to brace the chain which ensures the chain is lined up correctly. Graphics indicate speed compatibility to eliminate damaging the chain or the tool. Features: Works on 1 - 9 speed chains Ergonomically shaped handle with textured grip Pin storage built into handle Chain plate makes chain/pin alignment easy