Plastic Knobs for Lucas Push Pull switches, as fitted to DB MkIII to DB6 Mk2,

F for Fog, Part No 53372K, DB4 on Part No 020-037-0131 

H for Heater, Part No 53370K

R for Reserve, Part No 53371K, DB4 on Part No  020-037-0130

Plain knob, Part No 53429K for the lighting spare - DB4 on Part No 020-037-0132

We also have the Special AML Lucas Bezels made for the Lucas push pull switches & Lucas rotary switches.