Air Router Power Source Air-Powered Air Consumption 38 cfm Air Inlet Gender Female Air Inlet Size 1/4 in Air Inlet Type NPT Horsepower 0.9 hp Maximum Speed 23 000 RPM Speed Setting Variable Collet Size 1/4 in Kit Contents Collet Wrenches Tool Weight 2.6 lb Body Style Inline Exhaust Location Front Housing Material Composite Maximum Sound Level 85.4 dBA Minimum Hose Size 5/16 in Minimum Sound Level 85 dBA Minimum Speed 23 000 RPM