This Teng Tools socket is a professional 3/4 inch drive, metric hexagon socket. The socket is manufactured from chrome vanadium steel for strength and durability and has an attractive satin finish. The socket is produced in accordance with ISO 9000 and AS954 specifications for increased torque and reduced risk of rounding fasteners.The TENM340524 Hex 3/4 inch drive socket has the following specifications:Size: 24mm. Length: 51mm.