Lampshade Fitting Guide
| Base Diameter | Top Diameter | Height | Recommended Carrier size (inches) |
| 15cm | 9cm | 12cm | Clip on fitting or E27 |
| 18cm | 10cm | 14cm | Clip on fitting |
| 18cm Pendant | 10cm | 18cm | Pendant fitting |
| 18cm Short Pendant | 10cm | 15cm | Pendant fitting |
| 18cm Scallop Pendant | 11cm | 12cm | Pendant fitting |
| 25cm | 15cm | 18cm | Fixed shade carrier (E27) |
| 30cm | 16cm | 20cm | Fixed shade carrier (E27) |
| 30cm Scallop | 20cm | 20cm | Fixed shade carrier (E27) |
| 35cm | 25cm | 24cm | 5" shade carrier |
| 40cm | 25cm | 26cm | 6" shade carrier |
| 45cm | 29cm | 29cm | 7" shade carrier |
| 50cm | 33cm | 33cm | 7" shade carrier |
| 60cm | 38cm | 36cm | 8" shade carrier |
There are a few exceptions to the above which will be noted in the description of each individual shade.