SIZE	G	D	L	SW-BC
1/2"x16	1/2"	16	36.5	23.5-26
1/2"x20	1/2"	20	35.5	30-33
3/4"x16	3/4"	16	37	23.5-26
3/4"x20	3/4"	20	37	30-33
3/4"x26	3/4"	26	44	36-40
1"x26	1"	26	44	36-40
1"x32	1"	32	55.5	36-40