This access panel features a full-opening design with a fully detachable door for unobstructed service access. The installation depth is upgraded to 3.35 in, compatible with drywall, wood walls, cement walls, and more. It is made of 0.8 mm secc galvanized steel for rust resistance and long-lasting durability. The matte primer surface can be painted to blend seamlessly with your wall, opens with a flathead screwdriver, with an optional key-lock version to suit different needs. | Vevor | | Access Panel for Drywall, 15.2 x 15.2 in Galvanized Steel Access Door, Easy Install Hinged Service Panel | White | Best Buy