The E5305 is a 3/8" capacity pistol grip drill, with a handy reverse mechanism, allowing the drill to be used for tapping work. The precise planetary gear mechanism with needle roller assures high power, durability and reduced vibration. Capacity: 3/8" Spindle size: 3/8-24 UNF Handle type: Pistol Grip Free speed: 2,000 RPM Average air consumption: 4.0 CFM Air inlet size: 1/4" NPT Overall length: 132mm Net weight: 0.99 kg Noise level: 91.0 dB