Use for drilling and screwdriving. Two speed trigger (slow speed when pushed halfway). Directional lever accessible from both sides for left/right handed use. 10mm (3/8") chuck included. Planetary gears for longer life and smoother running. Ergonomic comfortable grip. Chuck size: 3/8" (10mm). Free speed: 1,800rpm. Recommended air pressure: 6.2bar (90psi). Air consumption: 4cfm* (113ltr/min). Air inlet thread: 1/4" NPT. Spindle thread: 3/8" - 24. Minimum air hose size (ID): 3/8" (10mm). Noise level†: 85dBA. Sound power level†: 96dBA. Vibration level #: 0.4m/s2. Overall length: 185mm.