Pro Team Chain Tool Description: The Pro Team Chain Tool is a highly adaptable chain breaker tool for 8 - 12 speed generation chains. Users will be able to approach bicycle chain maintenance with ease using the ergonomically designed long-length twistgrip. Heat-treated steel construction contributes a high degree of longevity to this vital tool. By way of the multi-thickness chain plate, users will be able to precisely work on 8 - 12 speed chains. Features: Works on 8 - 12 speed chains Heat-treated steel construction Ergonomically shaped, TPR-coated handles Pin storage built in to handle Chain plate makes chain/pin alignment easy