B 779 - Screen door roller, 5-1/4 inch Flat Tension Spring, Stainless roller, 2 per pkg.

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 grooved steel ball bearing roller. The tension spring is 5-1/4 inch long & is a heat treated high tension steel spring. For steel ball bearing see B 528. For stainless steel see B 775 or B 779.
  • 1 inch Stainless Steel ball bearing roller
  • 1/4 inch wide roller
  • Concave (Grooved) roller
  • Stainless Steel ball bearing roller will roll smoothly
  • Heat treated tension spring
  • 5-1/4 inch straight tension spring
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