Prime-Line 1 in. Nylon Roller Screen Door Tension Spring with Angle Stop

This sliding screen door spring tension roller assembly is constructed of a heat-treated steel spring and a 1/4 in. wide plastic wheel. It features a 1 in. diameter center-grooved wheel and a 2-1/2 in. long high-tension steel spring with angle stops. This screen door roller assembly is used by many patio door manufacturers.