Ok, so having some " scrap " stainless steel tubing around as you do! I designed and made this paddock stand with the addition of the eldest's old skate board wheels

When i can find the drawings that I did I will publish them along with all the extra bits I have made to give it it's full versatility

A view of the front end's detail. Complete with Large clip on a chain to the height pin's pull ring

Here you get a better look at the adjuster & P clip lock mechanism