DURABLE MATERIALS: Wire strands are made of high-strength metal and plastic, durable, corrosion and rust resistant, fast and durable, and can be used for a long time. Product size: M8 x 20 x 25mm, when installed, the minimum height is 8mm and the maximum height is 25mm. . HEIGHT ADJUSTABLE DESIGN: Height adjustable leveling feet can easily solve the problems caused by the imbalance of the floor or furniture legs. The base is thick, strong, stable and can reduce damage and scratches on the floor. After assembly, you can adjust the height of your furniture according to your needs. . ANTI-SCRATCH AND ANTI-MOISTURE The round plastic legs of this adjustable furniture prevent noise, the round plastic design reduces damage and scratches on the floor. It can also keep furniture away from wet floors, keep furniture clean and beautiful, prevent slipping, and effectively protect feet and floors.