Compact, lightweight design for easy maneuverability 90 degree angle head allows flexibility in confined areas Complete with 1/4' and 6mm collet Great for high speed blending, smoothing, porting, and deburring in confined areas 1/4 collet/spindle size 22,500 rpm free speed 1 lbs 5.5cfm average air consumption 22cfm actual air consumption @ load 1/4' NPTF air inlet thread size 3/8' min hose size