This security double door is made of galvanised steel tube and metal sheets with a thickness of 2 mm, completely clad with solid wood and composite panels (plywood plus solid wood) of the vertical panelling type. Wood treatment is made with walnut colour anti-mould and anti-woodworm stain, plus two coats of water-based exterior paint, or RAL colour paint. The frame is galvanised tubular steel with closed profile, powder coated with polyester at a temperature of 180°. The recesses are finished with nylon bushings to house the dog bolts installed on the hinge side. Each single door is closed with a Cremonese handle with lock key, which drives the upper and lower 18 mm STAINLESS STEEL bolts which slide in nylon sleeves. These devices ensure perfect operation over time (the internal hardware is stainless steel).