1)maximum carrying capacity of the case in kg for safe constant use.

2)sandwich construction of aluminium and plywood

rugged, rigid, aluminum sheet and 9mm thick plywood . glued with full-surface, solventless adhesive and pressed. the case panels are continuously machined all round in one piece for a high degree of stability and riveted with multiple profiles.

3)anodized, all-round aluminium profiles in one piece. plain or black. no tarnishing or fading. machined all round in one piece. for high torsion resistance and permanent closing precision.

4)extremely resilient due to selected materials and special design features.