[Adjustable Chair Leg Width] Increases the height of your furniture by 50mm, the table leg extension is suitable for table legs with a square or rectangular leg thickness of 0mm to 50mm (0~2 inches), please measure the size of your furniture leg carefully before purchasing. [Hard Plastic Material] The adjustable furniture riser is made of solid hard plastic and aluminum alloy. These furniture lifts are extremely durable and can easily lift up to 5000 pounds. It is ideal not only for raising beds and mattresses, but also for raising bedside tables, sofas, tables, desks, cabinets and shelves in your home and office to make your leg room more comfortable. [Modified Screw Fixation Does Not Fall Off] You don't have to worry about the bed riser falling off. To solve this problem, we have improved the adjustable bed height with movable and non-tilting screw clamps. Adjust the accessories with screw clamps, the wrapped furniture legs will not fall off easily. The adjustable sofa/bed/table