This plastic adjusting knob from Mentor has been designed for professional equipment and comes with screwset fixing. Stylishly designed and featuring a dial disc made from Duroplast for spindles with Ø 6mm. * Axle Ø: 6mm * Colour: Black * Dimensions: 19 x 16 x 21mm * Line display: Dial disc * Manufacturer's part 320.621 https://elecena.pl/product/27213391/mentor-320-621-plastic-adjusting-knob-setscrew-fixing-19mm 2024-11-10 https://elecena.pl/product/27213391/mentor-320-621-plastic-adjusting-knob-setscrew-fixing-19mm 2026-04-07 https://elecena.pl/product/27213391/mentor-320-621-plastic-adjusting-knob-setscrew-fixing-19mm 2026-06-14 https://elecena.pl/product/27213391/mentor-320-621-plastic-adjusting-knob-setscrew-fixing-19mm 2026-07-07 https://elecena.pl/product/27213391/mentor-320-621-plastic-adjusting-knob-setscrew-fixing-19mm 2026-08-23