Refueling plug replacement

The original metal plug was choked out of my seat, so I designed and manufactured an upgraded refueling plug with a double silicone ring and a resilient ring nose, clinging to greater power and greater surface.

This well-known and popular fueling and switching kit is available in a variety of sizes, but each one is equipped with a metal (alu) plug + a ringed "handrail".

For me it was always out of place (even when it got a little oil out of gasoline).

My plug is clamped on a much tighte