10 Inch Sizes: 1/4, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 and 3/4" 10 Metric Sizes: 6, 8, 10, 12, 13, 14, 15, 16, 17 and 18 MM Ratcheting box end lets you work quickly as there's no need...