Vintage HiFi / TV control knob: with extended shaft

NOS (1970 -80's) pristine condition

For use with recessed potentiometers. Possibly Hitachi

Dimensions "as measured":

To fit splined shaft with 

Length (total): 30 mm

Length (behind shoulder):13mm

Diameter: (through panel) 11mm

Diameter: (knob) 14mm

Diameter: (skirt) 18mm

Colour: Black