The Park Tool CT-3.3 Professional Chain Tool is 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.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 chainsThe CT-3.3 features an adjustable locating shelf so it works on any width chain to remove and install chain rivetsBuilt to last and easy to use, the CT-3.3 features a comfortable handle, investment cast steel body and replaceable driving pinThe CT-3.3 will install, but not peen, Campagnolo 11 and 12-speed chain rivetsMade in the USA and covered by Park Tool's legendary limited lifetime warrantyThe 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)