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 and Shimano XTR 12-speed, as well as 1/8″, 3/16″, and half-link 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.