B 522 - Screen door roller, 2-1/2 inch Flat Tension Spring, Steel roller, 2 per pkg.

Description
This center grooved sliding screen door tension roller is used by many patio door mfgs. Used on the bottom as well as the top of the sliding screen door. The roller is a 1 inch steel ball bearing roller. The tension spring 2-1/2 inch long & is a heat treated high tension steel spring. For Stainless Steel see B 573
  • 1" steel ball bearing roller
  • 1/4 inch roller width
  • Concave (Grooved) roller
  • Steel ball bearing roller will roll smoothly
  • Heat treated tension spring
  • 2-1/2 inch straight tension spring
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