●Size: 0.4 inches (11 mm); L: 1.0 inches (25 mm); Socket outer diameter (D1 tip); Socket outer diameter (D2 socket); Total length (L); 1.0 inch (25 mm); Socket depth (e;mm): 0.5 inch (13.5 mm) ●A standard socket with a beautiful mirror finish. Surface contact type that does not damage bolts and nuts. Hex type