This air ratchet wrench has a square drive of 3/8 inches, a shank-with-ball retainer, and a back exhaust that prevents the blowing of dirt and dust. It has 280 RPM and weighs 1.1 pounds. It measures 6.6 length x 1.5 width x 1.3 inches height with an inlet thread size of 1/4-inch. Its body is made of aluminum with a composite housing that provides insulation from the cold.