Neiko 03716B 3/4" Torque Multiplier Power Wrench, Cr-Mo / Cr-Va Steel | 2,200 Foot-Pound Provides added torque to cleanly bust rusted or frozen fasteners over the rated force that standard wrenches can produce Chromium Molybdenum head and Chrome Vanadium bar are designed for durability, long tool life, and the shock of extremely high torque Drive input rated at 730 foot-pound maximum and drive output of 2200 foot-pound making it perfect for field, automotive, construction, industrial, and plumbing Torque enhancer includes a small but powerful 2.9 head that slips into tight and hard to reach spaces Set includes a hard plastic carrying case for organization and storage