The HP Tools bearing puller set will help remove bearings and bushings without causing damage to the bearings themselves or cases or hubs. The kit includes a slide hammer and eight (8) collets, all in a molded plastic case. Collet sizes included: 8, 10, 12, 15, 17, 20, 25 and 30 mm. Easily remove bearings and bushings from engine cases, wheels and more.