... plated wrench set *Length:38mm 15pcs socket wrench set 1/2inch drive* Material: 1/2''drive carbon steel* Surface: stain finish, knurl ... plated ,with overall heat treatment* Specification: 15pcs standard socket,8,910,11,12,13,14,15,16,17,18,19,20 ... ,21,22mm* Pack: plastic shelf 15pcs socket wrench tool set, 1/2inch drive