[Premium Material]Made of high-quality Material, sturdy and , the metal 4 inch Octagon Box Blank Covers avoid bending or rusting easily [Standard Size]3.75in(W)x3.75inch(L), designed to cover 4 inch octagonal box, make the electrical box safe and pleasing to the eye [Easy Installation]Just place the blank metal cover and tighten two screws(not included) into two slots, install it within one minute. Edges are polished to no hurt during installation [Useful Home Gadget]House switches or receptacles, help to prevent children or pets from accidental electrocution Colour:Silver Material:Metal Package Contents: 4 Packs * Octagon Electrical Box Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.