Burg Wächter Key Cabinets, Safes & Cash Boxes Keyhole blocker 621525 - Burg Wächter 4481, The Burg Wächter 4481 E 7/3 SB Keyhole blocker is a security accessory designed to prevent unauthorised access to keyholes. This flush-mounted strongbox enhances safety by blocking key entry points in wall strong boxes. It is typically used in environments where protection of sensitive information or items is critical. Burg Wächter 4481 E 7/3 SB Keyhole Blocker with 3 Keys for Extra Security
