B 806 - Sliding screen door M style Tension Spring, 7/8 inch steel roller, 2 per pkg.

Description
This roller assembly has an M shaped tension spring and a 7/8 inch steel ball bearing roller with a shallow 3/32 inch groove. It is used by several patio door manufacturers. The heat treated tension spring is 2-5/16 inches long & shaped like an M giving it the tension needed by the screen door to slide properly.
  • 7/8 inch steel ball bearing roller
  • 1/4 inch wide roller
  • Shallow groove of 3/32 inch
  • Steel ball bearing roller will roll smoothly
  • Heat treated M shaped tension spring
  • 2-5/16 inch tension spring that is M shaped.
  • Roller assembly is 5/16 inch wide
  • Used by several patio door manufacturers
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