| Item | mm | inches |
| Height | 400mm | 15.7" |
| Width | 800mm | 31.5" |
| Depth | 550mm | 21.7" |
| A Grade | From £539 |
| B Grade | From £554 |
| C Grade | From £576 |
| D Grade | From £591 |
| E Grade | From £614 |


| Item | mm | cm | inches |
| Height | 400mm | 40cm | 15.7" |
| Width | 800mm | 80cm | 31.5" |
| Depth | 550mm | 55cm | 21.7" |
| A Grade | £539 |
| B Grade | £554 |
| C Grade | £576 |
| D Grade | £591 |
| E Grade | £614 |
| Description | mm | cm | inches |
| Height | 400mm | 40cm | 15.7" |
| Width | 800mm | 80cm | 31.5" |
| Depth | 550mm | 55cm | 21.7" |