This 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.
Used by a variety of sliding screen patio door manufacturers
2-5/16 in. M-shaped tension spring
1 in. concave ball bearing roller
Steel heat treated tension spring and roller
2 Per package
Easy to install
No-adjustment needed
For further dimensional information, please see the line drawing