OTC 6294 Flange-Type Puller Set (Grade 8) - This versatile puller is capable of removing a wide variety of components having tapped pulling holes such as; harmonic balancers, gears, crankshaft pulleys and so on. This unit can be utilized as a two-way or three-way puller. All included bolts are heat treated to meet Grade 8 hardness and the set is covered by the OTC Lifetime Marathon Warranty® against defects in workmanship and material.