A professional quality shop chain tool that works on 5-speed to 12-speed Road and Mountain Bike derailleur chains*, including SRAM� AXS� 12 speed, as well as 1/8� and 3/16� chains The CT-3.3 features an adjustable locating shelf so it works on any width chain to remove and install chain rivets Built to last and easy to use, the CT-3.3 features a comfortable handle, investment cast steel body and replaceable driving pin *The CT-3.3 will install, but not peen, Campagnolo 11 and 12-speed chain rivets Chain Breaker 5-12sp CT-3.3UPC/EAN/GTIN: 763477002372