Ball knob: Black phenolic plastic (Duroplast PF), glossy
No parting lines, flash removed & polished
Ball knobs are available with tapped blind hole, zinc plated steel or brass tapped inserts
||Since there are no parting lines in the middle of the ball,
the DIN 319 plastic ball knob is an excellent choice for user friendly applications.|
knobs are avalable upon
Maximum heat resistance of phenolic plastic: 150°C (300°F).