General description This is a professional bi-hexagon 1/2in Square Drive deep socket designed for both professional and DIY use. It is produced in accordance with ISO 900 and AS954 specifications, ensuring increased torque and reduced risk of rounding fasteners. Made from high-quality chrome vanadium steel with a satin finish, this socket is built to last and withstand heavy use. Technical specifications Size: 21mm Length: 79mm Material: Chrome vanadium steel Finish: Satin Number of points: 12 Standards: ISO 900, AS954 Compatibility and accessories Compatible with standard 1/2-inch drive tools Suitable for use with ratchets, torque wrenches, and extension bars Installation Insert the socket onto the drive tool ensuring it fits securely Use with a compatible ratchet or wrench for tightening or loosening fasteners Usage Ideal for tightening or loosening nuts and bolts Suitable for automotive, machinery, and home improvement projects Other information