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 is an Arcadia style roller assembly used by Arcadia doors as well as a variety of other sliding patio door manufacturers. This is also currently a very popular design amongst patio door manufacturers in today s market place. It has a wire tension spring and comes with a 1-1/4 Inch diameter high density polyethylene roller and fits onto the Prime-Line part B 569 corner insert (sold separately). It is often used on the top as well as the bottom of the sliding screen door. Also look at Prime-Line parts B 515 B 610 B 714 B 736 and B 821 for similar spring tension rollers. Order yours today and have your door slide like new.