. These are plastic control knobs for slide potemtiometers
<br />. Fit 4mm shaft.
<br />. Length: 19mm
<br />. Width: 12mm
<br />. Thickness: 13mm<p> <b><b><img src="https://contestimg.wish.com/api/webimage/563b684516f67d12960e61db-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/563b684516f67d12960e61db-1-large.jpg></b></b></p>