Prime-Line V-Shaped Screen Door Tension Spring with Roller

V-shaped tension spring design is used by several patio door manufacturers. 1 In. high density polyethlene roller mounted on the end of a heat treated steel tension spring. 2 In. long V shaped flat spring inserts into the screen frame giving tension required as the door slides back and forth.

No. B 570: Roller Diameter: 1 In., Material: Polyethlene, Roller Width: 1/4 In., Spring Type: V-Spring, Pkg Qty: 2, Package Type: Card