"The Klutch 1/2in. Low-Noise Air Drill is engineered to deliver maximum quality, durability and performance. Klutch technology offers advantages such as tuned exhaust to keep noise levels to a minimum, lightweight composite housing for exceptional comfort and control, and convenient single-hand forward/reverse controls, all contributing to better efficiency and productivity. Keyless Chuck Yes, Air Consumption CFM 3.8, Min. Hose Size in. 3/8, Reversible Yes, Speed RPM 700, Air Inlet Size in. NPT 1/4, Chuck Size in. 1/2, Side Handle Yes. 86dB sound level Lightweight composite body 1/2in. keyless chuck 9.3 ft.-lbs. max. torque One-hand forward/reverse controls Comfortable rubber grip Includes side handle"