B 639 Prime-Line Screen Door Tension Spring with Roller
Tension spring roller assembly with a V spring design used by Academy & other patio door manufacturers. The roller is a 1 inch roller with a 1-3/4 inch long tension spring that is a heat treated steel spring. When installed the bent or angled flat spring positions the roller assembly so that an adjusting screw adjusts the height of the roller as needed.
No. B 639: Roller Diameter: 1 In., Material: Nylon, Roller Width: 1/4 In., Pkg Qty: 2, Package Type: Card
Sold as Unit of Measure: CARD
Minimum/Multiple Order Quantity: 1