The Sno-Stuff Arctic Cat primary clutch holder is used to hold the stationary clutch sheave while assembling or disassembling the clutch and may be bench mounted or clamped in a vise. A must-have item to go with our jam nut and spider tools. This model has a 33mm tapered shaft to be used on clutches from 2002 and later models with 800 or 900 twin engines and 2003 and later models with 600 or 700 laydown twin engines.