4 x 3/16" UNC/BSW: x 3/16", 1/4", 5/16", 3/8".
3 x 1/4" UNC/BSW: x 1/4", 5/16", 1/2".
3 x 5/16" UNC/BSW: x 1/4, 5/16", 1/2".
1 x 3/8" UNC/BSW: x 3/8".
3 x 1/4" UNC/BSW: x 1/4", 5/16", 1/2".
3 x 5/16" UNC/BSW: x 1/4, 5/16", 1/2".
1 x 3/8" UNC/BSW: x 3/8".