Magic Sliders® 04100 Round Sliding Discs, 4", 4-PackMagic Sliders high quality products use a proprietary high tech polymer coating that all but eliminates friction and protect your floors on all kinds of surfaces. For small sized round legged furniture. Easy self gripping installation. 4" Moves up to 3,200 lb Move your heavy item & then remove Won't scratch your floors Works on any kind of surface, wood floors, vinyl, ceramic tile, carpeting For small footed furniture & accessories For large size