Prime-Line 3/4 in. D X 2-1/4 in. L Mill Plastic/Steel Guide Roller 2 pk

These top pivot guide rollers from Prime-Line feature plastic-constructed, 11/16 inch diameter wheels and come affixed to a spring-loaded, steel shaft with a plastic housing. With their top-mounted, self-adjusting design, they offer smooth and quiet operation for your Bi-Fold doors as well as long lasting durability.