FEATURES Two hammer design with Q.C. collect. Rear Exhaust. Adjustable 3 stages speed for Forward/Reverse. Two stages push type trigger. Used for general automotive industries, electric, and assembly lines. SPECIFICATIONS Brand Name Zipp Air Tool USA Item model number ZID350P Hex. Drive 1/4" (6.4 mm) Bolt Size Capacity (10~12 mm) Free Speed 11, 000 rpm Max. Torque 350 lb (474 nm) Operating Air Pressure 90 psi (6.2 bar) Avg. Air Consumption 8.12 cfm (230 l/min) Net Weight 3.5 lbs (1.6 kgs) Overall Length 5-25/32" (147 mm) Air Inlet Size 1/4"