High Quality Material: 4PCS adjustable furniture legs are made of high quality ABS plastic with high hardness, will not rust, wear-resistant, strong and not easy to break which can be used for a long time. The attached sponge pad can withstand shocks and reduce noise, making it perfect for furniture use. Adjustable Furniture Legs: These durable adjustable furniture legs can be adjusted in height using a rotary knob to adjust the height of your furniture to a maximum of 63mm/2.48in (minimum 40mm/1.57in). The round frame design perfectly improves the stability of your furniture, making it ideal for leveling your furniture smoothly. Good Load Capacity: The furniture legs are made of high-quality plastic, with an internal crossbar design and an inner wall thickness of 5mm/0.2in, ensuring uniform force and a strong load capacity of 100kg/220lb. The adjustable furniture legs with a soft sponge pad not only provide good anti-slip performance, but also protect the floor from scratches. Self-Adhesive Installation: The bed leg raisers include an adjustable bracket, foam pad, and sticker. First, clean the surface of the paste and keep it dry, then apply the sticker to the bracket and furniture, and finally adjust the correct height. The process only takes a few minutes and requires no tools. Wide Application: The table leg raisers can be used in homes, offices, studios, and more to raise or level workbenches, chairs, tables, cabinets, beds, sofas, and other furniture.