High-quality tools designed for daily, 8 hour use in demanding applications and environments, the R8 Series are engineered with additional features for improved power, safety and comfort Lightweight aluminum construction Ergonomically designed grip absorbs vibration and reduces hand fatigue 360 degree head rotation for use in confined spaces and difficult angles Safety throttle lock increases user safety Air Inlet (NPT/In.): 1/4 Overall Length Open (In.): 13 Air Consumption (CFM): 4.2 Air Hose (ID/In.): 3/8 Free Speed (RPM): 18,000 Weight (Lbs.): 1.80 Belt Size (W x L) (In.): 3/8 x 13 Air Pressure (PSI): 90 Overall Length Folded (In.): 8-18 Horse Power (HP): 0.5 Noise Level (DB): 93 Vibration Value (M/S2): 1.3