Impact Socket Set, Chrome Molybdenum Alloy Steel, Black Oxide, 1/4 in, 3/8 in, Impact Rated Yes, Socket Depth Standard, Socket Length 1 3/8 in, Socket Shape Bolt Extractor, Includes Standard Sockets Yes, Standard Socket Style/Size 1/4 in, 3/8 in, 5/16 in, 7/16 in, Standard 6-Point: 1/2 in, Standard Socket Count/Style (5) 6-Point, Includes Deep Sockets No, Includes Flex Sockets No, Drive Type Impact, Power