| Item | mm | inches |
| Height | 380mm | 15" |
| Width | 640mm | 25.2" |
| Depth | 580mm | 22.8" |
| SE Grade | From £303 |
| A Grade | From £303 |
| B Grade | From £324 |
| C Grade | From £324 |
| D Grade | From £324 |
| E Grade | From £366 |
| F Grade | From £366 |
| G Grade | From £429 |
| H Grade | From £429 |
| I Grade | From £450 |

| Item | mm | cm | inches |
| Height | 380mm | 38cm | 15" |
| Width | 640mm | 64cm | 25.2" |
| Depth | 580mm | 58cm | 22.8" |
| SE Grade | £303 |
| A Grade | £303 |
| B Grade | £324 |
| C Grade | £324 |
| D Grade | £324 |
| E Grade | £366 |
| F Grade | £366 |
| G Grade | £429 |
| H Grade | £429 |
| I Grade | £450 |
| Description | mm | cm | inches |
| Height | 380mm | 38cm | 15" |
| Width | 640mm | 64cm | 25.2" |
| Depth | 580mm | 58cm | 22.8" |