Slide hammer power pulls many flange-type rear axles as well as axle bearings. Set contains: 1-piece slide screw: 5/8”-18T x 22-1/2”, (16mm-16T x 57cm), 1-piece axle yoke, 3-piece-bearing adapter. 1-piece slide hammer: 3-3/4 lbs. (1.78 Kgs.), 1-piece lock nut 5/8” (16mm) and 1-piece bearing hook.