| Thomas No. | Dimension LxHxW | Capacity (Boxes) |
| | 2" | 3" | 2" & 3" |
| 1200C20 | 16 7/16 x 6 5/8 x 5 1/2"
418.2 x 168.8 x 140 mm | 9 | 6 | 3 + 3 |
| 1200C21 | 16 7/16 x 8 7/8 x 5 1/2"
418.2 x 225 x 140 mm | 12 | 6 | 6 + 3 |
| 1200C22 | 16 7/16 x 11 x 5 1/2"
418.2 x 280 x 140 mm | 15 | 6 | 9 + 3 |
| 1200C23 | 21 15/16 x 6 5/8 x 5 1/2"
557 x 168.8 x 140 mm | 12 | 8 | 4 + 4 |
| 1200C24 | 21 15/16 x 8 7/8 x 5 1/2"
557 x 225 x 140 mm | 16 | 8 | 8 + 4 |
| 1200C25 | 21 15/16 x 11 x 5 1/2"
557 x 280 x 140 mm | 20 | 8 | 12 + 4 |
| 1200C26 | 26 13/16 x 6 5/8 x 5 1/2"
681 x 168.8 x 140 mm | 15 | 10 | 5 + 5 |
| 1200C27 | 26 13/16 x 8 7/8 x 5 1/2"
681 x 225 x 140 mm | 20 | 10 | 10 + 5 |
| 1200C28 | 26 13/16 x 11 x 5 1/2"
681 x 280 x 140 mm | 25 | 10 | 15 + 5 |