THE FACT ABOUT WOOD DOMAIN THAT NO ONE IS SUGGESTING

UHMW is inpossible to seek out here but there is another way close to this problem. In lieu of getting a gap pipe for a roller you can have a lot of three/four circles with a washer in between them so they act and go independently.Also it will depend on which wall you're mounting it, the vertical a person or the horizontal at the rear of it. So its