Stopper for 16mm garden hose reel

The other day, I ran my car over the extended end of my automatic hose reel, shattering the stopping ball. So I made a new one. This object fits quite tight on a 16mm garden hose. Print 2 of these, and you're set !

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/2t5cRkSKvEu