1. Material: stainless steel, anti-corrosion and anti-rust, thickness is 1.3cm, maximum load capacity can reach 200kg, not easy to deform 2. This convenient and easy to install system can be used for a variety of applications such as furniture, cabinets, tables, boat seats, mobile homes and caravans. 3. There are soft rubber feet on the bottom, which should prevent it from hurting your table, which is perfect. Free spins and looks great 4. Maintenance: This product is based on the principle of metal bearings. For normal use, please regularly add oil to the place where the steel balls are placed (light oil can be used). 5. Good processing, good glide and perfect drilling. Use it to make a monitor exchange station in the technical support department, perfect Sold by the store