Chicago Pneumatic 875 1/4" Mini Angle Air Die Grinder. Compact, lightweight design for easy maneuverability. Lock off throttle to prevent accidental start up. 90 degree angle head allows flexibility in tight quarters. Complete with 1/4" and 6mm collet. Applications - high speed blending, smoothing, porting and deburring in confined areas. Free speed - 21000 rpm. Specifications: collet/spindle size - 1/4", cfm - 4, hose size - 3/8", free speed - 21000.