| Model Number | 2S | 4S | 6S | 12S |
| Base to Guide (mm) | 159 | 178 | 229 | 375 |
| Centre to Back (mm) | 102 | 127 | 152 | 300 |
| Dia. of Screw (mm) | 44 | 44 | 54 | 64 |
| Bed Rings | - | 1 | 1 | 1 |
| Across T Slots (mm) | 330 | 457 | 533 | 635 |
| Hole in Base (mm) | 57 | 108 | 158 | 215 |
| Approx Weight (kg) | 79 | 175 | 266 | 760 |
| Model Number | 2S | 4S | 6S | 12S |
| Retail Price £ GBP ex vat (from 1.01.08) | 1828 | 2536 | 2997 | 5943 |
| Delivery charge | POA | |||