OTC Tools OTC Stinger 4536 A/C Clutch Pulley Puller Set. For removal of stubborn air conditioning clutch pulleys. Also can be used on many alternator, generator, power steering and crankshaft pulleys, harmonic balancers, and fiber timing gears. Set includes drop-forged components: one 3/4"-16 x 5" live center forcing screw, 5-1/2" crossbar with 3 spread settings, two pair of jaws, and a clamp bolt. Spread: 3" to 5", Reach: 1" to 5" Includes blow-molded plastic case.