The Chicago Pneumatic 1/4in. mini air drill is excellent for drilling, honing, reaming and hole sawing. It combines compact size, light weight and ergonomic design for easy handling. Key Product Specs Chuck Size (in.) 1/4 Keyless Chuck No Air Consumption (CFM) 4.1 CFM at Load 4.1 Speed (RPM) 2,700 Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Variable Speed Yes Reversible Yes Side Handle No Tool Weight (lbs.) 3 Tool Length (in.) 10 Additional Product Specs * 1/4in. capacity Jacobs chuck * Planetary gearing with brass bushings * Adjustable exhaust * Ergonomic grip for comfort and control * 87.3dB