You are bidding on a genuine Kent-Moore Compressor Adjustable Clutch Piston & Air Travel Check Set DT-50902.This set is overall very good condition. Save some $ here! Info: A Multi-purpose tool with 3 fully threaded legs with height graduation markings that are adjustable from an OD of 3″ to 7″ to span a variety of clutch pack diameters. Required to install C45678R / C23468 triple clutch pistons and retaining rings. Used with new tool DT-51328 Extension Rod to compress C1278R clutch piston dam to install retaining ring.