Kavan-Polyamide-Maxi-Ball-Joint-M3-Kavan-1400-This-polyamide-ball-joint-from-Kavan-is-designed-for-use-in-large-model-aircraft-petrol-driven-ships-&-cars-It-is-almost-impossible-to-press-out-the-ball-with-the-h&-yet-it-rotates-freely-in-the-ball-head-Kavan-Maxi-ball-joint-M3-Polyamide