BACKUP PIN: there is a backup pin with the chain splitter, made of stainless steel, smoother and simpler UNIVERSAL: chain removal is suitable for most bicycles, easy to use in 7/8/9/10 speed chain, so you never have to worry about buying a different tool for your home bikes EASILY USER: Get your bike chain fixed easily using this circuit breaker! Easy to remove link, easy to reinstall link. Align everything correctly and press the pin and remove the link, again take your time putting the chain back in place, align it and press the link pin in DURABLE AND WELL MADE: the tool rivet chain was made by carbon steel, very strong and durable, so there is no worry of breaking or bending while working on your bike. The handle part made of plastic with coating, very comfortable and non-slip COMPACT PORTABLE: This bicycle chain remover is in compact design and portable for carrying at any time