"This air drill features an innovative and ergonomic composite housing that helps reduce vibration. A textured rubber grip insulates against cold temperatures and gives you great comfort and control. 2-gear structure runs smoother and lasts longer than most air tools. Speed RPM 700, Air Consumption CFM 4, Air Inlet Size in. NPT 1/4, Side Handle Yes, Keyless Chuck Yes, Chuck Size in. 1/2, Min. Hose Size in. 3/8, Reversible Yes. 2-handed ergonomic cushion grip for comfort and control"