Description This is a 3/4-inch drive bi-hexagon socket designed for professional use. It is suitable for various fastening tasks requiring a 1.9/16-inch AF size. The socket is made from high-quality chrome vanadium steel, which is hardened, tempered, and chrome plated to ensure durability and corrosion resistance. It features a chamfered end for easy and secure nut engagement, and a hole for attaching a driving accessory with a locking pin. Some sizes include a knurled band for improved grip. The socket is sold individually. Technical Specifications Size: 3/4-inch drive, 1.9/16-inch AF (AF = Across Flats) Material: Chrome vanadium steel Finish: Chrome plated for corrosion protection Standards: Manufactured according to DIN 3124/ISO 2725 and DIN 3120/ISO 1174 Compatibility and Accessories Compatible with 3/4-inch drive ratchets and extension bars Features a hole for driving accessories with locking pins Some sizes include a knurled band for better grip Installation Insert the socket