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
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