| Size | A | B |
| 3" | 11 1/4" | 16" |
| 4" | 11 1/4" | 17" |
| 5" | 11 1/4" | 18 1/4" |
| 6" | 10 7/8" | 18 1/4" |
| 7" | 11 1/4" | 21 1/2" |
| 8" | 11 1/4" | 21 1/2" |
| 10" | 11 1/4" | 25 1/2" |
| 12" | 12" | 29 1/2" |
| 14" | 12" | 32" |
| 16" | 12" | 36" |
| 18" | 12" | 36" |
| 20" | 12" | 38" |
| 22" | 12" | 40" |
| 24" | 12" | 44 3/4" |
| 26" | 12" | 44 3/4" |
| 28" | 12" | 48" |
| 30" | 12" | 48" |