TENG TENT1221 21 PIECE METRIC SOCKET 12 SQUARE DRIVE SET 12inch drive 12point socket set comprising 21 pieces Sockets are manufactured from strong chrome vanadium steel in accordance with ISO9000 & AS954 They provide excellent torque whilst reducing the risk of rounding fasteners Supplied in a plastic case with a latch lock retractable handle & metal pin hinges The underside of the case is fitted with rubber feet to prevent it from sliding p p