High quality materials: Furniture sliding door rollers are made of stainless steel and nylon, strong and durable, not easily deformed, low noise and wear-resistant. special: Adjusting the height of the roller can ensure that your sliding door is safer and more stable. practice: The front brushed stainless steel panel is smooth and wear-resistant. The lower wheel can be adjusted in height. easy to use: With this furniture caster you can open and close the cabinet door comfortably and quietly. Multifunctional: suitable for sliding doors of closets, windows, wardrobes, cabinets, display cabinets and shoe cabinets. Quantity: 6 pieces Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect due to the differences between different monitors, the picture may not reflect the actual color of the item. . due to manual measurement. Please allow deviation. THANKS!