A professional quality shop chain tool that works with 1/8 , 3/16 single speed chains and 5 to 12-speed / 3/32 road and mountain bike derailleur chains* including SRAM® AXS® 12-speed, Shimano® 12-speed chains and Campagnolo® 13-speed 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 (#CTP). Works with single speed half-links. *The CT-3.3 will install, but not peen, Campagnolo® 11, 12 and 13-speed chain rivets (see CT-4.3 or CT-6.3)