ZAD-3004PC 3/8 inch Air Drill SPECIFICATION Specification ChuckξSize: 3/8(10) inch(mm) Net Weight : 1.5(0.7) lbs(kgs) Length: 7.2(185) in.(mm) Free Speed : 22000 RPM Air Inlet Size : 1/4 inch-NPT/PT Min. Hose Size : 3/8(10) inch(mm) Avg. Air Cons. : 4.1 cfm