Attributes:* Socket Size: 9/16-inch* Drive Size: 1/2-inch* Total Length: 39mm / 1.53-inch* Material: Chrome Vanadium Steel (Cr-V)What Is Included:* 1 Piece x Shallow Impact SocketApplications & Features:— Suitable for automobile maintenance, mechanical equipment repair, woodworking, home maintenance, etc., which can be used to install, disassemble and repair fastening bolts, shaft nuts, bolts, etc.— Made of chrome vanadium steel with electrophoresis finish, which is durable, wear-resistant and corrosion-resistant.— The specifications are clearly marked on the surface of the socket for easy identification, improving work efficiency.— To prevent round-off under stress, it grips the flat sides of fastener heads rather than the corners.