16PC Blind Hole Bearing Race Seal Extractor Puller Slide Hammer Removal Tool Kit?Description?This internal bearing puller set's expandable collets and threaded screw adapters are suitable for remove tight and jammed axles, bearings, and bushings on a wide variety of vehicles without damaging the removed parts. Get all your work done on parts from 1/4 to 2-1/3 inch diameter (about 7-58 mm) and perfect for professional and DIY use.Constructed of a strong,durable chrome molybdenum steel,designed for strength, durability, and longevity.Includes a slide hammer, counterstay puller, spare pin bolt, 3 screw adapters and 10 split collets.Split collet type collets are made from chrome molybdenum steel turn and they expand to grip the inner bearing race, fit a wide range of applications.