ABS Import Z-Limit ergonomic low noise mini air die grinder. Rubber molded cushion rip; air regulator on top. Safety throttle lever; rear exhaust with silencer. 25,000 RPM free speed; 79 dB low noise. .25 NPT air inlet; .375-inches hose size. 90 PSI air pressure; 4CFM air consumption. 6.25-inches overall length.