A die grinder is essential equipment for automotive grinding. This electric die grinder has a longer-than-typical shaft that lets you reach into tight, cramped work spaces. 1/4" collet accepts most die grinder accessories. Lightweight and maneuverable All ball-bearing construction for durability Includes spare brushes 120 volts, 60 Hz, 350 Watts, single phase Maximum speed: 22,000 RPM Wheel diameter: 1-1/2'' maximum Overall length : 14-1/4''