General description This 25mm (1 inch) square drive bi-hexagon socket is designed for professional use, offering high durability and precision. Made from hardened chrome vanadium steel, it is chrome plated for corrosion resistance. The socket features a chamfered end for easy nut engagement and a hole for driving accessories with a locking pin. Some sizes include a knurled band for improved grip, making it suitable for various DIY and home improvement tasks, providing reliable performance and compatibility with standard tools. Technical specifications Size: 25mm (1 inch) Drive Type: Square drive Shape: Bi-hexagon Material: Chrome vanadium steel Finish: Chrome plated Standards: DIN 3124/ISO 2725 and DIN 3120/ISO 1174 Compatibility and accessories Compatible with 3/4 inch square drive tools Features a hole for driving accessories with locking pin Some sizes include a knurled band for enhanced grip Installation Insert the socket onto the compatible 3/4 inch drive ratchet or wrench Ensure