For Campagnolo Record/ Chorus Part of a comprehensive range of freewheel & bottom bracket removal tools oversized centre hole & thin wall design allows use without removal of cones & locknuts investment cast & heat-treated for strength & durability one-inch base fits end of sr-1, frw-1 park tools or simply an adjustable wrench or bench vice high strength tool steel compatible with 11-speed lockrings made in the usa & covered by park tools legendary limited lifetime warranty