Definition knob: A common circular protrusion, disc or dial engraved with one or a series of marks on the edge that can be rotated or pushed out to initiate and manipulate or control something (such as an audio, effect).

  Likes 1083 knob belongs to plastic knob ,circular knob ,have 2 types shaft hole :6*18T or 6.4mm with screw. Also some color :black ,white ,transparent ,red ,blue ,brown ,green ,yellow ,cream ,purple and customized color .

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