Fitment: The BJS103 puller can be used in pulley systems, like water pumps, AC units, and crankshafts. Fit for drive pulleys with diameters from 35-165 mm(1-1/4” to 6.3''). Features: (1) Secure Grip- Equipped with dual locking nuts for stability, prevent misalignment to keep the puller centered during operation. High-strength force rod ensures direct pressure on the crankshaft bolt. (2) Effective Remove- This crankshaft tool distributes pulling force evenly, preventing undue stress on the pulley or shaft. Apply controlled force to remove breaking free rusted, seized, or tightly fitted pulleys without damage. .