MALOUF Structures Heavy Duty Multi Height Bed Risers - 8 Piece Set - Adjustable to 8, 5 or 3 Inch Heights Modular design - 8 total pieces for up to 8 inches of under-the-bed clearance Heavy-duty construction; holds up to 1,200 pounds Safe, strong, stackable and easy to use Can be used as 3-inch, 5-inch, or 8-inch bed risers Won't scratch or dent hardwood floors