Surface-mounted mechanical lock. Without latch and with hook-shaped tongue. Exclusive design registered with INPI no. 1905. The lock is fixed to the door at 4 points. For doors with a thickness of 16 to 40 mm. Different for right-hand and left-hand doors. Fixed external cylinder in solid brass. Cylinder with 5 pins that are activated simultaneously. Three universal keys in nickel-plated brass, which secure the hook with 1 turn.
