2 refined solid brass "Speed" control knobs: for 6 mm potentiometer shafts.
These knobs feature a recessed side set screw, allowing clean and secure mounting on the potentiometer shaft.
Specifications
Shape: Schaller Speedknob
Bore diameter: 6.1 mm (for 6 mm potentiometer shaft)
Weight: 56 grams / 2 pieces
2 black pieces