Jacobs chuck (keyed) Feather trigger for better speed control Trigger mounted reverse for instant change of direction Superior grade steel planetary gear for longer life Patented quiet tuned exhaust (82 dBa) Patented ergonomically designed handle Speed 400 rpm Motor Output 0.625HP Av Air Con 6cfm Weight 1.36kg Vibration Level 4.5 m/sec2 Sound Pressure 82.3 db(a) Length 203mm Chuck Thread Size 3/8 x 24 Air Inlet 1/4 bsp