Berkley Jensen 11' Patio Umbrella Tube thread cover

I was taking down our 11' BJ's Berkley Jensen Patio Umbrella for the winter and did not want rain water/snow to collect in the tube. I quickly made this cover in Fusion 360. Simply print in PLA with 25% fill is fine. I also applied to lubricant to the metal threads before screwing on the cover just to coat the threads to prevent corrosion.

Link to umbrella I designed this for: https://www.bjs.com/product/berkley-jensen-11%27-aluminum-umbrella---red/3000000000000998148

But it probably wo