Sliding Discs Round Gray 4"

100mm disc (4" diameter) moves everything as if it had wheels. Move up to 3200 lb. Won\'t scratch your floors. Works on any kind of surface: Wood floors, vinyl, ceramic tile, and carpeting. Move any heavy furniture or appliance and then remove and reuse. Will slide over doorsteps or floor edges with a height difference of up to 3/16". Color: Grey. Contents: 4 reuseable sliding discs. As seen on TV.