Pit Pro PT2412 Mini Right Angle Die Grinder 4-7/8 inches long Speed of 20,000 RPMs Includes internal regulator to control air pressure 90 PSI air pressure Works great in recessed areas Speed of 20,000 RPMs Includes internal regulator to control air pressure Angled head makes it ideal for working in tight spaces Features smooth-action safety lever throttle Hooks up to a 1/4 and No.34, air hose coupling