M7-QA611B | M7 Die Grinder Angle Head 19000rpm 160mm Long 1/8in & 1/4in FEATURES 90° angle head. Safety lever throttle SPECIFICATIONS Collet Size: 1/4 & 1/8 Free Speed: 19000 RPM Air Requirements: 10 CFM / 90 PSI Inlet: 1/4 Overall Length: 160mm Rated Power:0.3HP Net Weight: 0.51kg Sound Pressure: 74.4 dBA Vibration Level: 1.7m/s²