Reference size matrix for plate vs boot mounting options.
| Plate size | Boot size | Plate length in mm |
| 4 | 4,4 1/2 | 224 |
| 5 | 5,5 1/2 | 232 |
| 6 | 6,6 1/2 | 240 |
| 7 | 7,7 1/2 | 248 |
| 8 | 8,8 1/2 | 256 |
| 9 | 9,9 1/2 | 264 |
| 10 | 10,10 1/2 | 272 |
| 11 | 11,11 1/2 | 280 |
| 12 | 12,12 1/2 | 288 |
| 13 | 13 | 296 |
Size Chart for Powerdyne Plates
