B 513 - Sliding screen door M style Tension Spring, Steel Ball Bearing Roller, 2 per pkg.
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