A mast comprises 4 panels which can be identified by:
2 panels with telescoping lugs.
2 panels without telescoping lugs.
The panels provided with ladder fixing gussets must be face to face.
The panels are assembled by 20 special fishplate bolts.In every case , the heads of the bolts are on the outside.
The assembling of masts between each other is by means of 8 shafts connected 2*2 by 4 pins and equipped with a set of accesses as described.
| Model | Mast Section Size | Main Chord Material | Type | Materials | Packing/40HQ |
| S24 | 1.2*1.2*3.0 | ∠140×14 | Split structure | Q345B Q235B | 6 sets |
| L44A1 | 1.6*1.6*3.0 | ∠140×14 | 15sets | ||
| L46A1 | 1.6*1.6*3.0 | ∠180×18 | 15sets | ||
| L68A1 | 2.0*2.0*3.0 | ∠200×20 | 12 sets | ||
| L68B1 | 2.0*2.0*3.0 | ∠200×20 | 12 sets | ||
| L68B2 | 2.0*2.0*3.0 | ∠200×20 | 12 sets | ||
| L69A1 | 2.0*2.0*3.0 | ∠200×26 | 12 sets |
