False frame to fix on the wall with 8 staples to seal; Galvanized steel frame assembled to the subframe by means of steel bolts; Recordable hinges anti-tear pivoting on ball bearings; door and door made of a double galvanized steel sheet with omega folded steel sheet grooves; Special security lock with four central latches, three above the chassis and two below, on the ground, equipped with four combination keys, plus a service key; Four fixed safety beaks on each side of the hinges; Removable windscreen; Opening limiter; Panoramic peephole; Outside handle; Interior handle; Coating with smooth panels made of natural wood.