Rubber cap with joint ball inside for bolt to go through. The caps are attached to the body so that the bolts can reach to the body from different positions. Absorb vibration and hold the body tightly to the model.
Rubber cap with joint ball inside for bolt to go through. The caps are
attached to the body so that the bolts can reach to the body from different
positions. Absorb vibration and hold the body tightly to the model.