Moving Men 1545-12 8-Piece Furniture Slider Set Four large, four small disks slip under furniture legs for easy moving Made of slippery polymer, with cushioned pad on top to grip legs Perfect for sliding beds, sofas, bookcases, heavy appliances 7-inch disks for large furniture, 3-1/2-inch disks for small furniture Small disks also for washers, dryers, refrigerators