Size	A
3"	3 5/8"
4"	4 5/8"
5"	5 5/8"
6"	6 5/8"
7"	7 5/8"
8"	8 5/8"
10"	11"
12"	13"
14"	16"
16"	18"
18"	20"
20"	22"
22"	24"
24"	26"
26"	28"
28"	30"
30"	32"