The Chicago Pneumatic CP7775-6 is a 1 inch; Impact Wrench with 6 inch; Extended Anvil. The wrench has 1550 ft-lbs of ultimate torque which provides enough power to loosen the toughest fastener. The high performance clutch provides longer long under tough conditions. It has four position power control in forward and reverse. This is used for high volume tire work on trucks, buses and heavy equipment.