1/4"HEX SUPER DUTY AIR SCREWDRIVER; TWO HAMMER STD.BOLT CAP.:6-8MM; HEX./SQ.DRIVE SIZE:1/4" HEX TORQUE(0.5SECS):58 NM; TORQUE(2SEC.): 60 NM FREE SPEED:8000 RPM; AIR CONS.:4.6CFM(130 L/MIN.) LENGTH:155MM;WEIGHT:1.2KG Features: ** 3 step torque regulator each in forward and reverse. **Handle exhaust, low noise & avoid dust rebound.