| Model Number | 2B | 4B | 5B | 6B |
| Centre to Back (mm) | 76 | 178 | 140 | 178 |
| Guide to Top of Bar with Standard Bar (mm) | 102 | 152 | 152 | 178 |
| Size of Bar (Deep X Wide mm) | 57x38 | 89x57 | 76x76 | 100x76 |
| Dia of Screw (mm) | 44 | 44 | 54 | 54 |
| Approx Weight (kg) | 76 | 203 | 267 | 305 |
| Model Number | 2B | 4B | 5B | 6B |
| Retail Price £ GBP ex vat (from 1.01.08) | 2336 | 3106 | 3553 | 3954 |
| Delivery charge | POA | |||