Prime-Line products has been supplying repair and replacement parts for windows and doors since 1978. These compression springs from Prime-Line are constructed, heat-tempered, spring steel wire plated in a bright nickel finish. They offer superior strength and long lasting tension. These springs measure 1-3/8 inch length by 1/4 inch diameter. Outside diameter: 1/4" length: 1-3/8" gauge: 025Tempered spring steel wireNickel platedUsed for repairs around the home or business