Our 1" square drive high torque impact wrench CP6773 is designed for the toughest environments and bolting applications. The twin hammer clutch mechanism, with aluminum body and steel clutch housing delivers a high power-to-weight ratio for demanding industrial environments. The motor provides up to 1630, 1760 Nm/1200, 1300 ft.lbs of max reverse torque. Available in 4 models: The 1" pistol handle features a compact design and allow easy access due to the short side-to-center position. Anvil features drilled hole and ring retainer, for use on all sites even when positive socket retention is a requirement. Tool comes “pre-serviced” from Ace Pneumatic to ensure maximum durability and power.