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 Comfortable T-handle Replaceable driving pin Investment cast steel body Adjustable locating shelf