Contents: 1/4 in., 5/16 in., 11/32 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in. and 3/4 in.; 6, 8, 10, 12, 13, 14, 15, 16, 17, 18 mm Product Features:The original patented ratcheting wrench Surface Drive on box end provides off-corner loading for better grip and reduced fastener roundingRatcheting box end needs as little as 5 to move fasteners vs. 30 for standard wrenches Bright, full polish chrome finish