Draper HI-TORQ Metric Deep Impact Socket Set, 1/2" Sq. Dr. 19 Piece
Dr. (19 Piece). They have a black phosphate finish for corrosion protection. The sockets are in variety of sizes from 8-24mm and the set includes a 125mm and 250mm 1/2" Sq. Dr. impact extension and 70mm 1/4" hex to 1/2" Sq.