1-1/4 inch Steel Ball Bearing Sliding Door Dual Roller Assembly, Unique Mounting for Guaranteed Products (Single Pack)

This 1-1/4 inch dual roller assembly is a unique trolley-style design for Guaranteed Products sliding patio doors. It features two parallel 1-1/4 inch concave steel ball bearing rollers in a stamped steel housing for smooth, quiet operation. The unique housing fits into the door’s bottom rail and is held securely by the two existing screws in the door. Rear adjustment allows precise alignment during installation. For the nylon roller version, use Prime-Line part D 1547.