Enhanced Security: Features a cylindrical lock with a key to prevent unauthorized access, ensuring safety and protecting against accidental openings by children. High-Strength Construction: These access panels are made from galvanized steel and aluminum frames, and waterproof properties. Ideal for concealing cables and holes in walls or ceilings. Flexible Sizing Options: Available in various sizes with clear guidelines for panel outer and inner dimensions based on hole size. Custom sizes available upon request to fit unique requirements. Simple Installation Process: Easy to install with just three steps: measure the hole, place the panel, and secure it with screws. No complex tools required. The inspection flaps flaps provide for easy access to wall or ceiling inspection openings, as well as recesses containing gas/water/ electricity meters, hydrants, etc., Manufacturer: EYRMQWJPC