Are you having trouble sliding your screen door open or closed? Have you checked your rollers/roller assemblies?  Don’t replace the entire door.  For a fraction of the cost of a new door, replace those worn-out rollers. This roller assembly with M-shaped tension spring with a 1 Inch diameter plastic ball bearing roller is used by a variety of patio door manufacturers. The heat treated tension spring is 2-5/16 Inch long and shaped like an M, giving it the tension needed by the screen door to slide properly. Order yours today and have your door slide like new.
- Used by Columbia doors and a variety of sliding screen door manufacturers 
- 2-5/16 inch M-shaped tension spring 
- 1 inch concave plastic ball bearing roller 
- Steel heat treated tension spring and nylon roller 
- Easy to install 
- No adjustment needed 
- For best operation keep door rail clean 
- Please refer to the line art drawing and compare to your needs before purchasing