BBL Keyhole Blocker

Simple and Effective Lock Protection

The BBL Keyhole Blocker provides a quick and effective way to secure unused locks. Designed to fit all standard lever mortice locks, it prevents unwanted access by foreign or duplicate keys. Made from durable brass, this keyhole blocker is built for long-lasting reliability and ease of use, ensuring your locks stay protected when not in active use.

Universal Fit and Durable Construction

This keyhole blocker features a universal design that fits most standard locksets. It’s ideal for preventing tampering in shared spaces, offices, or properties with multiple keyholders. The solid brass construction resists corrosion and wear, offering both strength and longevity. The included BB900 key blank ensures smooth operation and compatibility with your existing lock system.

Easy to Use and Install

Using the BBL Keyhole Blocker is simple—insert it into the lock cylinder to block key entry instantly. It’s lightweight, portable, and reusable, making it a practical addition to your home or business security setup. Ideal for anyone looking to increase lock safety without complex installation.