The CT-3.3 is a professional shop-quality tool for removal and installation of bicycle chain rivets for chain sizing and replacement.Compatible with virtually all single-speed and multi-speed chains* including SRAM® eTap® AXS®. The CT-3.3 features a floating locating shelf for compatibility with any width of chain. Built to last and easy to use, the CT-3.3 features a comfortable handle, investment cast steel body and replaceable driving pin for years of dependable use.Features: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 warranty