Draper 1/2-inch square drive metric sockets are manufactured from chrome vanadium steel hardened and tempered with a satin finish. Each socket has a knurled ring for extra grip. This socket set is supplied on a metal socket rail for secure storage. The set includes 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 24 mm sockets.
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