RUBBER RUBBER CASTERS FOR SWIVEL CHAIR   The castors are designed for office chairs. They fit most office chairs and office chairs. Brand new.   They are made of rubber, so the floor is not exposed to scratches.   Compared to regular wheels, these wheels are quiet and do not slip.   The set includes 5 wheels. Specification:   Color: Black & White Material: Rubber - PU średnica kółek: 5cm Set weight: 0.45kg Mount fi 11mm   Information: We make every effort to ensure that the colors of the furniture presented in the photos are reproduced as accurately as possible. However, it's important to note that their reception may vary depending on the individual settings of your monitor or screen (such as brightness, contrast, color temperature, and display technology). The actual shade of the product may also vary depending on the lighting conditions. Any color differences are not due to a defect in the product.