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Curious Inventor - Store: Knob - Black Plasitc / Metal Face 25/32"
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in stock - price: $1.39
Knob - Black Plasitc / Metal Face 25/32"
Small-knob-penny

short description:

This knob has a white line to indicate position and fits on standard 1/4" potentiometer posts with a set screw.

more information and instructions: