Features: * Durable and long lasting * All ball bearing construction * Precision machined steel gears * Positive grip 1/4 inch capacity collet chuck * Self locking throttle lever * Minimum hose size: 3/8 in. * Collet size: 1/4 in. * Air consumption: 3 CFM * Air inlet size: 1/4 in. NPT * CFM at load: 12 CFM * Speed: 18000 RPM What"s In The Box: * Ingersoll Rand 302 Heavy Duty Air Angle Die Grinder