REINFORCED CONSTRUCTION : Laser-cut steel door, 8mm (total thickness 55mm) Full-light opening, full-height hinge. 4 mm thickness, U-shaped, antismashing rabbets.Chromium-plated, independent, turning bolts, Ø25 mm, mounted on double support 4+4 mm. Armoured locks protected by a reinforcement-plate in manganese-steel material. Strong robotized weldings. Internal deep-drawn cover, it can be dismantled just when lock is open. 2 mm body welded by continual wire. 3 mm of back-wall.

CLOSING SYSTEM : “3 buttons” combination, each one with 26 letters + 4 digits (27.000 effective variations). Buttons rotate starting from any position and to any direction. Once the combination is inserted, by rotating clockwise the button of control, the lock opens. In case of mistake, it is possible to set at zero the combination if door is open.