Floor Protection: The office chair casters are made from high quality nylon which makes it safe for all floors including laminate, hardwood, carpet, tile, bamboo flooring and planksvinyl that leaves no scratches or marks on floors. Smooth RollingSuper quiet and smooth rolling, no noise when rolling, won't disturb anyone while working. will give you a smooth, quiet ride. They roll amazingly on hardwood floors, carpets,tile, concrete, stone or vinyl. Max LoadDesigned as a set of 5, The combined furniture caster wheels total capacity is 113kg full active load and 200kg under static weight. Install easily: Simply pull your current casters down and push our chair replacement wheels into the socket. No special tools or hardware required.