This post might contain photographs, anyone keeping half an eye on regular posts will know that as far as pictures are concerned I am the apogee of inabilities. However I will try once more.
Why are heater knobs so expensive, even the original Mk1 f examples command silly prices, £50 + for a set of three uninspiring injection mouldings
I was pursuing an idea where I wanted to fit some components behind a knob & being ill prepared to pay an objectionable price I took a punt on £6 worth of repro air con for a ford focus, which when fitted with the steel collar of the originals make a tidy set.