Magnetic protection for round cylinder diameter 37mm maximum chromium Protection of the cylinder by sliding armored plate driven by magnetic key This new product together protecting the profile cylinder against breakage and drilling and anti-vandalism protection (glue, match, chewing gum ...) by the slide Improved attachment of the valve (closed position) by lugs to enhance the maximum possible safety against tearing of the flap Possibility combination change by replacing the system system magnetic without replacement of all plates Performance: closed valve Dimension: 108 x 55mm size valve open: 153 x 55mm cylinder diameter: 37mm maximum Color: silver Comes with three keys and security card (for duplication of the key) Securing reassuring coded magnetic key release unfalsifiable High level of quality: machining of solid brass block Fine finish: chrome Conditionement: Comes in original packaging