| Model Number | M1 | M2 | M3 | M3A |
| Base to Guide (mm) | 200 | 270 | 380 | 275 |
| Centre to Back (mm) | 110 | 160 | 205 | 325 |
| Dia. of Rack (mm) | 38 | 38 | 44 | 38 |
| Approx Weight (kg) | 30 | 56 | 105 | 70 |
| Model Number | M1 | M2 | M3 | M3A |
| Retail Price £ GBP ex vat (from 1.01.12) | 883 | 1060 | 1403 | 1321 |
| Delivery charge | POA | |||