Piper inspection grommets cut from .025" 2024-T3 aluminum for better longevity. Includes placement drawings for wings and fuselage. Available for all fabric covered Piper aircraft. $70 for wing and fuselage. $20 for lift strut grommets (belt buckle). Price includes shipping.
I have 17 round aluminum inspection ring grommets made out of .020" 2024T3 aluminum. They are the same size as the plastic grommets 4 5/8" OD and 3 1/2" ID. I cut them out a long time ago and it wasn't really cost effective in comparison to the plastic grommets using the new recessed snap in covers so they have been hanging on the pegboard. Bob Turner used them on his Decathalon and liked them.