Are you having trouble sliding your screen door open or closed? Have you checked your rollers/roller assemblies? Don’t replace the entire door. For a fraction of the cost of a new door, replace those worn-out rollers. This sliding screen door corner roller assembly is constructed of stamped steel and it includes a steel ball bearing roller attached to one end. The roller features a concave (grooved edge), and it is fully adjustable. This corner assembly is used by Metal Industries patio door manufacturer, and a variety of others. It measures 1 Inch in diameter and it is 9/32 Inch thick. The corner fits into the sliding screen door frame and holds the horizontal rails together with the vertical side stiles. Order yours today and have your door slide like new.