The available gauges are 1.2 mm and 1.6 mm. In stock with diameters from 3 mm up to 6 mm. Select a color you like. Black is an option, as well as Silver, plus many more. Such a lovely and cool product - don't wait any longer.

This ball for externally threaded pins digs its own thread! The material inside the hole is slightly pliable, so simply screw onto any pin and a perfectly matching thread is carved into the ball.