General description This AlwaysH Barn Door Lock is a heavy-duty, flip-down security latch designed for sliding doors. Made from premium zinc alloy, it offers durability and reliable security. The lock features a glow-in-the-dark function for easy location and use in low light conditions, enhancing safety and convenience. Technical specifications Material: Zinc alloy Door leaf compatibility: Minimum 52mm Door frame compatibility: Minimum 25mm Installation 90° flip design for smooth operation Secure ball slot mechanism for easy installation Usage Suitable for bedroom doors, bathroom doors, and sliding doors Provides an anti-theft design with a sturdy anti-pick mechanism Prevents external tampering, ensuring the door remains securely closed