MSI-PRO Air Die Grinder, Air Inlet: 1/4" NPT, Average CFM at 15 Second Run Time: 4, 1/4" NPT Collet, Rear Exhaust, 22000 rpm Free Speed, Minimum Hose Size: 3/8", 6-3/4" Overall Length, Required Pressure: 90 psi
- Heavy duty, lightweight construction for general high speed polishing and grinding
- Ball bearing construction for longer tool life
- Grooved handle design for firm grip, except SM-501
- Variable speed throttle for positive speed control
- Cylinder constructed of high quality steel
- Built-in adjustable air regulator, except SM-501