What is this round metal plate with a flathead screw in the center? It's placed every few feet on the wall near the floor in my hotel. : r/whatisthisthing
2-3/4" Steel Round Check Plate - Chrome - Center Hole Slips 1/8 IPS – My Lamp Parts
Steel Plate Carbon A36 Steel Plate SS400 Metal 1020 Round Steel Sheet Metal Plate 6mm 7mm 8mm Customizable - AliExpress
Round metal plate on blue perforated background Vector Image
Round metal plate with screws Royalty Free Vector Image
Metal round plate with screw head. - Stock Illustration [30799314] - PIXTA
Stainless Steel Round Sheet Plate Dia 150/200/250/300mm Metal Discs Circle Panel | eBay