The National Detroit 300 Hand Air Sander is a high-quality straight line sander designed for automotive use. With a palm grip for easy handling, this sander operates at a maximum speed of 2250 RPM, features a 1/4 inch air inlet size and weights aprox 6lb. Manufactured in the United States, it comes with a 15-day warranty and is a single item in the set. Ideal for detaling and smoothing surfaces, this air sander is a reliable tool for automotive professionals and enthusiasts alike.