Ceiling In-Wall Speaker Grille Cover And Base, 9.2 Inch White Round Metal Covers

What is this?To protect the drop ceiling speakers and ensure lasting sound quality, a speaker grill is the most assured way of protecting the speaker driver from impact and even the ingress of foreign objects from the speaker internals. Also, is a repair replacement part for ceiling-mounted speakers.What will I get?Material: Plastic and MetalOuter diameter : 235mm / 9.25 inchInner diameter : 224mm / 8.82 inchThickness : 4mm / 0.16inchColor : White, BlackPackage List: 1 Pcs x Ceiling Mounted Speakers Cover and Base, 4 Pcs x Screw Caps, 4 Pcs x Screws and 4 Pcs x Fixing ClipsAre there any advantages of the product?The metal mesh is made of Iron, while the outer ring is made of ABS Plastic. White spray paint grills match any decor. They are suitable for Ceilings and walls, perfect for home theater, ceiling surround sound speakers, and Marine and Automotive applications.How to use it?Installed the mounting bracket 4 screws, then pushed the cover on. If the mesh fell off, you may apply some glue to make it affixed better.What should I notice?Note: The in-wall speaker mesh is not universal, so check the specification sizes carefully before ordering! Also, please allow a tiny measurement error of 1mm / 0.04".