| Register Dimensions | Collar Size | Gauge |
|---|---|---|
| 2 1/4 x 8 | 6 | 30 |
| 2 1/4 x 10 | 4,5,6,7 | 30 |
| 2 1/4 x 12 | 4,5,6,7,8 | 30 |
| 2 1/4 x 14 | 5,6,7,8 | 30 |
| 3 1/4 x 10 | 6,7,8 | 30 |
| 3 1/4 x 12 | 6,7,8 | 30 |
| 3 1/4 x 14 | 8 | 30 |
| 4 x 8 | 4,5,6 | 30 |
| 4 x 10 | 4,5,6,7,8 | 30 |
| 4 x 12 | 5,6,7,8 | 30 |
| 4 x 14 | 6,7,8 | 30 |
| 6 x 8 | 4 | 30 |
| 6 x 10 | 5,6,7,8 | 30 |
| 6 x 12 | 6,7,8 | 30 |
| 6 x 14 | 6,7,8 | 30 |
| 8 x 8 | 6 | 30 |
| 8 x 12 | 8 | 30 |
| 8 x 14 | 8,9 | 30 |
