B 813 - Screen door 2-1/2 inch Flat Tension Spring, Saddle flares, high density polyethlene Roller, 2 per pkg.

This sliding screen door spring tension roller is used by many patio door manufacturers. The roller is high density polyethlene ball bearing while the housing has slight flared angle stops that prevent the roller from retracting too far into door frames. May be used on the bottom as well as the top of the sliding screen door. The roller is a grooved steel ball bearing roller. The tension spring is 2-1/2 inches long & is a heat treated high tension steel spring.
  • 1 inch steel ball bearing roller
  • 1/4 inch roller width
  • Concave (Grooved) roller
  • High density polyethylene ball bearing roller will roll smoothly
  • Heat treated tension spring
  • 2-1/2 inch straight tension spring
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