The four sides of the lockable frame can be opened sequentially by removing the security screw.

This system ensures your poster is never accessed by unauthorized people which makes it extremely suitable for public areas or outdoor use. The product has water drainage holes and is weatherproof (IP55 approved).
The allen key for unlocking the profiles and screws and plugs for wall mounting are included.

Profiles: 35mm Silver anodised
Corners: 45°