Black nylon wheels move in opposite directions. 9404 has nylon-urethane wheel for hard surface. Place more wheel surface on carpet tile. Minimize carpet fiber twisting. For use on RTA furniture & office chairs.
Black nylon wheels move in opposite directions. 9404 has nylon-urethane wheel for hard surface. Place more wheel surface on carpet tile. Minimize carpet fiber twisting. For use on RTA furniture & office chairs.