The magnetic Defender Disec MRM39 is specially designed for Dierre cylinder locks on security doors, providing absolute security and protection.

Main Features:

• High Durability: Made from hardened steel, resistant to cutting and breaking attempts.
• Anti-Drill Protection: The decorative steel escutcheon offers excellent resistance to drilling or impact attempts.
• Secure Installation: Mounted on the lock body with strong screws from the inside of the door.
• Practicality: The length of the defender is adjustable, allowing for perfect customization.

Its operation is based on an innovative mechanism that prevents the insertion of foreign objects into the cylinder. Two magnetic keys and the ownership card for key duplication control are included.