20 pieces of 1 -inch roller roller portal portal is widely used in conveying line installation, processing systems, and transmission systems. 360 -degree rotation: steadily move, save effort, and improve the correct directional operation when moving the goods in different directions. The load capacity of each roller unit is 66 pounds, which is suitable for transmission furniture, wooden box, workbench and household appliances. It is made of high -quality steel. It is to and wear, no noise, and increases the service life. There are two holes on both sides of the supporting bracket installation, which is convenient and quickly installed on most light furniture, such as shelves, chairs, tables, cabinets, desks, etc., Manufacturer: Akfldms