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Mixture Knob for push pull aircraft throttles.
This knob is 1.45" in diameter, 1.63" long and is ready to be tapped for a 1/4-28 thread or a threaded insert.
Knob has 3 "M"'s on the face to signify it is for mixture and is standard aircraft mixture knob shape.
Great for adding some uniqueness to your experimental/homebuilt aircraft or other project.