This 18mm hexagon socket with 3 8 square drive represents the larger end of the range, suited to substantial metric fasteners found in heavy duty automotive and industrial applications. The 18mm size is commonly encountered on larger vehicle components, machinery assemblies, and equipment where robust fastening is required. Crafted from professional grade chrome vanadium steel, this socket is hardened and tempered to deliver exceptional strength for high torque applications. The chrome plated finish provides excellent corrosion resistance, ensuring long term reliability in demanding workshop conditions. The chamfered end design facilitates smooth, positive nut engagement even on larger fasteners, whilst the integrated ball bearing retention system maintains secure connection to your driving accessories throughout extended use. Features and benefits bull 18mm hexagon size for larger metric fasteners bull 3 8 square drive compatible with standard ratchets bull chrome vanadium steel hardened, tempered and chrome plated for corrosion protection bull chamfered end ensures positive location on larger nuts bull spring loaded ball bearing retention hole contents bull 1 x elora hexagon socket, 3 8 sq. Dr., 18mm