or... on Trade Me
This item isn't currently on Trade Me but I can list it for you if you Contact Me. Otherwise you can purchase directly on this web site with the Add To Cart button above.
A plastic black with green accent and marker rotary encoder knob. Approx 20mm diameter and 15mm high.
Standard D shape shaft hole.
See my other knobs in various sizes:
283.mytrademe.info
Rotary encoders too: 283.mytrademe.info