OKW-Tuning-Knobs-with-Thermoplastic-Aluminium-Cap-6mm-OKW-A-14-38-261-p-This-OKW-Tuning-Knob-with-Thermoplastic-Aluminium-Cap-6-x-16-x-39mm-has-been-stylishly-designed-with-a-knurled-handle-making-it-ideal-for-rotary-potentiometers-with-round-shaft-ends-Equipped-with-a-visible-marking-that-is-beneficial-when-setting-and-displaying-p-OKW-A-14-38-261-Tuning-Knob-Thermoplastic-Body-w-ALU-Cap-38-9x6x33x16x3x13-5mm