These Draper HI-TORQ® 6-point impact sockets are forged from hardened chrome molybdenum. Black phosphate finish for corrosion protection. Includes sizes 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27mm and a 3/8" (F) x 1/2" (M) socket converter. For use with electric or pneumatic impact wrenches with a 1/2" drive. Supplied inside an EVA drawer insert tray, 168 x 270 x 30mm. It is suitable for use in Draper and Draper Expert tool chests and other manufacturer's similar products. Features and Benefits • Manufactured from chrome molybdenum steel, chemically blackened for corrosion protection • 6-point Draper Hi-TORQ® impact sockets • For use with electric or pneumatic impact wrenches with a 3/8" drive • Sizes 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27mm • Includes 3/8" (F) x 1/2" (M) socket converter • Supplied inside an EVA drawer insert tray, 168 x 270 x 30mm • Suitable for use in Draper and Draper Expert tool chests and other manufacturers Contents 15 x 1/2" Sq. Dr. Draper Hi-TORQ® impact sockets - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27mm 1 x 3/8" (F) x 1/2" (M) socket converter