IMPACT SOCKET SET, Steel, Black Phosphate, 3/8 in, Impact Rated Yes, Socket Depth Deep, Socket Shape 6-Point, Includes Standard Sockets No, Standard Socket Style/Size 1/2 in, 10 mm, 11 mm, 11/16 in, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 8 mm, 9 mm, 9/16 in, Standard 6-Point: 5/16 in, Standard Socket Count/Style (20) 6-Point, Includes Deep Sockets Yes