chair casters with fine workmanship and smooth sliding effect. This roller bring a lot of convenience to our living chair casters. Can be used for many purposes, such as wheels for sofas and mini transports. This product is made of materials, and practical, suitable for long-term use of swivel casters. Furniture pulleys that slide smoothly and are easy to install and remove., Weight: 0.9700339528 pounds, Manufacturer: Tuidzljd