Windows and Doors Prime-Line 1 in. D X 0.25 in. L Nylon/Steel Spring Tension Roller Assembly 2 pk Was Now $7.99 Sale Product OverviewThis roller assembly with M-shaped tension spring with a 1 in. steel ball bearing roller is used by a variety of patio door manufacturers. The heat treated tension spring is 2-5/16 in. long and shaped like an M, giving it the tension needed by the screen door to slide properly. Easy to install.Used by a variety of sliding screen patio door manufacturers2-5/16 in. M-shaped tension spring1 in. concave ball bearing rollerSteel heat treated tension spring and nylon roller2 packEasy to installNo adjustment neededFor further dimensional information, please see the line drawingSpecificationsBrand Name:Prime-LineProduct Type: Spring Tension Roller AssemblyBrand Name: Prime-LineCompatibility: Patio DoorsDiameter: 1 inchHardware included: NoLength: 0.25 inchMaterial: Nylon/SteelNumber in Package: 2 packPackaging Type: Carded Quantity Enter an amount $ Add to Cart Add to Cart You may also like Previous Next Sale Windows and Doors Acme 78 in. L Sliding Door Track Kit $279.99 Sale Windows and Doors Acme Sliding Door Track Kit $139.99 Sale Windows and Doors Larson Screen Away 81 in. H X 32 in. W Vinyl/Wood White Mid-View Reversible Storm Door $379.99