Attributes . Standard 12-Point: 3/8 in, 7/16 in, Standard 6-Point: 3/16 in, 7/32 in, 1/4 in, 9/32 in, 11/32 in, 3/8 in, 7/16 in, 1/2 in, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm . Names