TAMIYA 15386 STABILIZER BALL CAP (BRIGHT) In combination with long screw sets and screws of various other lengths, you can make stabilizer poles of your favorite height. It is also possible to attach the ball by putting the screw tip under the bumper, etc. Set of 4 balls each of 5 vivid colors of blue, green, yellow, orange and red. It also comes with a rubber tube for screwing. ★Set of 4 color balls of 5 colors each tamiya original