These knob's have a 5mm brass insert to prolong the life of the knob. It will work for either the headlight, ashtray or the rear heat vent control. This can also be used on the heater control of the Bay window.
Dash knob (Grey). Fits VW Beetles 1946 to 1966, VW T2 Splits (1950 to 1967) and T2 Bay Windows (1967 to 1979).