General description This is a 3/4-inch square drive bi-hexagon socket designed for professional use. It is suitable for various fastening tasks requiring a 27mm size. Made from high-quality chrome vanadium steel, it is hardened, tempered, and chrome plated to resist corrosion. The socket features a chamfered end for easy nut engagement and a hole for a driving accessory with a locking pin. Some sizes include a knurled band for improved grip. Technical specifications Size: 27mm (3/4 inch) Material: Chrome vanadium steel Finish: Chrome plated for corrosion resistance Manufacturing standards: DIN 3124/ISO 2725 and DIN 3120/ISO 1174 Features: Chamfered end, hole for locking pin, optional knurled band for grip Compatibility and accessories Compatible with 3/4-inch drive tools Designed for use with locking pins and driving accessories Installation Insert the socket onto a compatible 3/4-inch drive ratchet or wrench Ensure the socket is properly seated before applying torque Usage Use for