Description
Knob Diameter: 21mm
Indicator Colour: Black
Body Colour: Black
Knob Height: 5.4mm
This is 21mm Black Potentiometer Knob Cap manufactured by Elma. The manufacturer part number is 040-4025. Its overall knob diameter is about 21mm . It is designed with black colour indicator . Its body is of black colour . Its knob is 5.4mm in height .
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