Feature:1. The hex socket is made of carbon steel, which has high hardness and can provide greater torsion when used.2. The size of the hex socket is standard, and the threads are tightly arranged, which can provide a tight grip.3. The 78mm lengthened design can be easily installed on an electric wrench or pneumatic drill.4. The surface has a black phosphate coating, which is corrosion‑resistant and can extend the service life of the socket.5. The socket has recessed hex joint design, which is used to tighten or remove standard hex nuts.Specification:Item Type: Hex SocketHex Socket Size: Approx. 22mm / 0.87in, 23mm / 0.9in, 24mm / 0.94in, 27mm / 1.1in, 30mm / 1.2inMaterial: Carbon steelTotal Length: Approx. 78mm / 3.1in (allowable error of machinery manufacturing ± 3mm / 0.1in)Purpose: Suitable for hex nuts.Package List:1 x Hex Socket