The Chicago Pneumatic mini die grinder features a compact, lightweight design for easy maneuverability. Excellent for high speed blending, smoothing, porting and deburring in confined areas. Key Product Specs Air Consumption (CFM) 6 Speed (RPM) 30,000 Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Collet Size (in.) 1/4 and 6mm Variable Speed Yes Side Handle No Tool Weight (lbs.) 3/4 Tool Length (in.) 4 3/4 Additional Product Specs * 1/4 HP motor * Lock off throttle to prevent accidental startups * Adjustable regulator to match speed to job