| Base member | L (mm) | W (mm) | T (mm) | ||
| Main member | 200 | 100 | m2 | m3 | m4 |
| 26 | 39 | 52 | |||
| Side member | 200 | 100 | S1 | S2 | S3 |
| 12 | 26 | 39 | |||