- Nightshutter equipped with an anti-manipulation mold. - Improved power transmission (cylinder operated) and durability due to steel gear construction (1,000,000 cycles). - Reinforced crank construction for higher loads. - Equipped with SKG***® in accordance with the revised guidelines (in accordance with NEN-EN 5089-2009). - The specially designed hook bolt allows a closing seam (dome doors) of 10 mm to be bridged. - The combination of chamfered hook bolts with a self-adjusting catch guarantees smooth operation (up to 8 mm warp, applies only to cylinder operated doors). - Additional protection against the penetration of dirt into patented holes. - Also suitable for doors with a narrow post due to the smaller installation depth, back-bolt size of 17.5mm. - Suitable for application according to NEN 5096 burglar resistance class 2 and 3. - Fire resistance (cylinder operated) in accordance with NEN-EN 16035.