Clutch spring compression tool. Can be used with 1990 - 1997 Big Twins and 1991 & Later Sportster and all Buell's including Buell Blast. Includes the compression tool and two adaptors - one for Big Twin and one for Sportster / Buell and Buell Blast. **FITS BIG TWIN - SPORTSTER - ALL BUELLS** It is made in the U.S.A. This Clutch Spring Compression Tool (CT-100) is manufactured by Energy One. The Energy One clutch compression tool is the closest to a direct duplicate of the OEM tool that is featured in your owners manual. This tool also includes instructions. All their parts are made in the U.S.A. No returns.