Retrofit Fuel caps
May I suggest that there is an alternative to bending car keys, breaking finger nails and wiping fuel residues off the wing? These retrofits go flush into the existing wing, do not leak, do not fall off and are ‘finger friendly’. I think you, and your co-pilots, will like them.
Available from Vans, as the retrofit cap, and from ‘Spruce as 05-01006.
So far as I know Vans are the last manufacturer to use the Usher cap