Ingersoll Rand's EDGE Series 3017G 1/4" Air Straight Die Grinder is the right tool for the job. It offers a ball-bearing construction that is sturdy yet lightweight. Features include a 1/3-horsepower motor, a 1/4-inch collet, a rear exhaust, and a self-locking throttle. An ergonomic grip makes this pneumatic grinder comfortable to hold and use and provides exceptional torque accuracy. Offering longer life and higher free speed at 27,000 rpm, this general purpose air grinder is designed for finishing, cutting, polishing, porting, light weld grinding, and breaking sharp edges.