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Product Description
Replacement rotary knob for the Simrad / Robertson AP20 AP22 AP25 AP26. The rubber outside of the original knob rots and flakes off the dial. This 3D printed equivalent does not have the rubber coating, but has knurled grips around the outside instead.
These are 100% compatible and simple to install.
The knob portion itself is 1.575" diameter and .5" high.
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