It is an alternative to our standard production of panelled armoured shutters, it matches with every kind of window and fits in every kind of house, ensuring a high anti-burglar resistance. BLINDOSTEEL is made in zinc-coated steel, has a perimetric frame with a thickness of mm 30/10, tubular steel wing with horizontal oval slats of mm 15/10 running in provided hollows and individually fixed by a steel rod which passes through slots set at the and of the slats. This system ensures the total tear-resistance making the shutter as safe as the whole structure. The hinges are made in steel with ball bearings. The shutter closes by a cremone handle with locking key operating the upper and lower 14 mm chrome steel bolts. Tear-resistant fixed grips in steel mm 14 set on the vertical jamb hinges side (optional). Special provided basins for the closure of the bolts are set in the threshold and and in the windowsills.