Attributes . 17/64 in, 9/32 in, 19/64 in, 5/16 in, 21/64 in, 11/32 in, 23/64 in, 3/8 in, 25/64 in, 13/32 in, 27/64 in, 7/16 in, 29/64 in, 15/32 in, 1/2 in . Names