This plastic wing knob from Mentor has been designed for professional equipment and comes with a collet fixing. Stylishly designed with a polyamide body and smooth grip. The combination of this particular knob features a black body with white marking for better setting and reading. * Axle diameter: 3mm * Colour: Black * Dimensions: 9 x 15.7 x 15mm * Manufacturer's part 355.31 Note: Cap not supplied. https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2024-11-10 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2025-03-22 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2025-05-20 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2025-07-16 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-03-15 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-05-01 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-06-14 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-07-07 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-07-31 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-10-10 https://elecena.pl/product/27213330/mentor-355-31-plastic-wing-knob-with-collet-fixing-15mm 2026-11-02