The Kauplus Multi-purpose Bearing and Pulley Set, has a wide range of pulling application, including: bearings, alternators, generators, power steering and crankshaft pulleys, timing gears, and harmonic balancers. Drop-forged components, come with blow case, Made in Taiwan can be used on many alternators, generators, power steering and crankshaft pulleys, harmonic balancers and fiber timing gears, in a variety of combinations. The set has a spread of 3 inch to 5 inch, and reach of 1 inch to 2-1/4 inch. Bearing & Pulley Puller Set contains: (1) Pair of Jaw Pins with Ball Spring (2) Forcing Screws (Live Centre): 3/4"-16x6-11/16"and 3/4-16x5 (2) Cross-Bar Yokes: 3pin-hole @ 3-14" to 5-1/2, 2pin-hole @ 2-3/8" to 3-3/8" (2) Clamp Bolts (3) Pairs of Puller Jaws: 1-3/8" Max, 1-5/8" Max, 1-3/4" Max (3) Pairs of capped Bolts Caution: Parts under stress can break broken, can cause eye injury, and always wear safety glasses when doing automotive maintenance.