MarVac Electronics 95994

1/4" Shaft, 0.686" Diameter Plastic Dial Knob with Indicator Line (K97) This knob is a designed to fit on control devices (potentiometer, tuner, etc.)?on a?Radio, Amplifier,?Testing Equipment or Musical Instruments, etc. Features: Dimensions: 0.686" Base Diameter Straight Knurl Body with Dial and White Indicator Line F