Potentiometer knob with screw fixing. Unique, aesthetically sophisticated knob design. Give your devices a modern, contemporary appearance by selecting one of these markers aligned to the application in question. The shaft arm is positioned further back, so that external potentiometer nuts are covered. The screw fixings remain invisible thanks to the marking elements. Potentiometer knob and marking elements to be ordered separately. For shaft 4 mm in diameter Knob: Ø 20 mm Height: 16 mm Colour: black https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2017-08-05 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2017-10-18 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2018-01-25 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2018-12-16 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2021-05-20 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2021-10-19 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2022-06-13 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2023-04-26 https://elecena.pl/product/9694642/a1020049-potentiometer-knob-20-mm-4-mm-axle-top-knobs-black 2026-02-24