Neiko RIDGE30062A 24000 Free Speed RPM Air Die Grinder, Mini and Compact, 1/4" Motor operates at a powerful high free speed of 24,000 RPM for quick and efficient sanding finish Front exhaust design includes vent slots to control direction of airflow to prevent harmful dust from reaching operator Small, compact body weighs in under a pound for an easy one hand operation and eliminating chance of hand fatigue Simple touch lever flipper allows precision of the speed to apply to multiple applications such as welding, cutting, and polishing surfaces Condense body size with a 1/4-inch collet fits great in tight narrow spaces in which an angled grinder cannot reach