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
Prime Line Prod.
Model No B 639
UPC 049793006394
Material Nylon
Roller Diameter 1 In.
Roller Width 1/4 In.
United States