Twin 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. Features & Benefits:Fastening Torque: 1150lb.ft(1564Nm).Breakaway Torque: 1200lb.ft(1632Nm).Twin 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.3 Year guarantee*.Model No. SA604 Specifications: Model No SA604 Air Consumption: 7cfm Brand: Premier Breakaway Torque: 1200lb.ft(1632Nm) Drive: 3/4"Sq Fastening Torque: 1150lb.ft(1564Nm) Free Speed: 6500rpm Inlet Size: 1/4"BSP Nett Weight: 4.6kg