SUNROOM X4 Retractable steel security bar

X4 by PRÆSIDIUM® is a security grate with crossed connection levers for a classic and pleasant design.‎ PRÆSIDIUM grates are much more than just grates.‎ They represent modern anti-break-in systems for doors and windows and provide you with: top security thanks to the internal structure in steel made of a framework with swivel rods which upgrade strength and hinder cutting; sturdiness and durability over time thanks to aluminium profiles; certified quality with cutting-edge technology from design to finished product; customization with an endless range of colours and different models; maximum versatility thanks to the opening or collapsible grates, suitable for all styles and requirements; quick and easy installation without the need for masonry work.‎