| Item | mm | inches |
| Height | 410mm | 16.1" |
| Width | 640mm | 25.2" |
| Depth | 580mm | 22.8" |
| SE Grade | From £354 |
| A Grade | From £354 |
| B Grade | From £406 |
| C Grade | From £406 |
| D Grade | From £445 |
| E Grade | From £473 |
| F Grade | From £495 |
| G Grade | From £495 |
| H Grade | From £515 |
| I Grade | From £532 |

| Item | mm | cm | inches |
| Height | 410mm | 41cm | 16.1" |
| Width | 640mm | 64cm | 25.2" |
| Depth | 580mm | 58cm | 22.8" |
| SE Grade | £354 |
| A Grade | £354 |
| B Grade | £406 |
| C Grade | £406 |
| D Grade | £445 |
| E Grade | £473 |
| F Grade | £495 |
| G Grade | £495 |
| H Grade | £515 |
| I Grade | £532 |
| Description | mm | cm | inches |
| Height | 410mm | 41cm | 16.1" |
| Width | 640mm | 64cm | 25.2" |
| Depth | 580mm | 58cm | 22.8" |