Sealey Air Impact Wrench 3/4"Sq Drive Super Duty Heavy Twin SA604Twin hammer mechanism utilises oversized hammers and specially strengthened hammer cage to pull even more torque out of the precision air motor. Precision made components fit closely to reduce air leakage and maximize power. Flip reverse control on the rear of the tool with 4 position air regulator on the handle base. Specifications Fastening Torque 1150lb. ft(1564Nm). Breakaway Torque 1200lb. ft(1632Nm). Detail Twin hammer mechanism utilises