This 12mm bi hexagon socket is an essential size for general mechanical work, automotive maintenance, and equipment repair. The 12mm dimension is particularly common in brake caliper bolts, suspension components, and various engine bay fasteners. Manufactured to professional standards from chrome vanadium steel, this socket is hardened, tempered and chrome plated to withstand the rigours of daily workshop use whilst resisting corrosion. The chamfered end ensures positive fastener engagement, and the spring loaded ball bearing keeps accessories securely attached to the 1 2 drive. Features and benefits bull 12mm socket size for common automotive applications bull 1 2 square drive bull chrome vanadium steel hardened and tempered bull chrome plated for corrosion protection contents bull 1 x elora bi hexagon socket, 1 2 sq. Dr., 12mm