Head Size
1 1/16 in, 1 1/8 in, 1 in, 1/2 in, 1/4 in, 10 mm, 11 mm, 11/16 in, 11/32 in, 12 mm, 13 mm, 13/16 in, 14 mm, 15 mm, 15/16 in, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm, 24 mm, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7 mm, 7/16 in, 7/8 in, 8 mm, 9 mm, 9/16 in