Features and Benefits: * The Keysco cutter can be used in either an electric or pneumatic drill * Leaves a clean hole that requires very little grinding * Self centering point minimizes walking, will not require a punch * Solid one piece construction will not break or snap * Made in the U.S.A. This 5/16" spot weld cutter operates up to 2000 RPM. Leaves a clean hole that requires little grinding. Its self centering and doesnt require a punch. This solid one piece constructed cutter is made durable!