Draper Expert range is our benchmark for quality. 16 x Draper Expert HI-TORQ® 12 point sockets: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21mm. 9 x Draper Expert HI-TORQ® 12 point sockets: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4".