Prime-Line B 714 1-1/4 In. Sliding Screen Door Tension Spring with Concave Steel Ball Bearing Rollers (2 Pack)
This sliding patio screen door roller assembly is constructed of a heat-treated, high tension steel spring, with a steel housing and wheel and it features steel ball bearings. This roller assembly has a center grooved (concave) edge and it is used as a top and bottom roller. This item includes two (2) roller assemblies per package.