For a wide range of pulling jobs, including: bearings, alternators, generators, power steering and crankshaft pulleys, timing gears, and harmonic balancers. Set includes drop-forged components, which can be used in a variety of combinations. Contents of Set: 2 - Forcing Screws (Live Center): 3/4 in. -16 x 6-11/16 in. and 3/4 in. -16 x 5 in. 2 - Cross-bar Yokes: 3 pin-hole at 3-1/4 in. to 5-1/2 in., 2 pin-hole at 2-3/8 in. to 3-3/8 in. 2 - Clamp Bolts 3 - Pairs of Puller Jaws: 1-3/8 in. Max., 1-5/8 in. Max., 1-3/4 in. Max. 1 - Pair of Jaw Pins with Ball Spring 3 - Pairs of Capped Bolts, Spread: 3 in. to 5 in., Reach: 1 in. to 2-1/4 in., Housed in a blow-molded plastic storage case.