B 523 - Screen door roller, 3-1/4 inch Flat Tension Spring, high density polyethlene 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 1 inch grooved high density polyethlene roller. The tension spring is 3-1/4 inch long & with a heat treated high tension steel spring. For Stainless Steel see B 574
- 1 inch high density polyethlene
- 1/4 inch roller
- Concave (Grooved)
- High density polyethylene roller is will not rust
- Heat treated tension
- 3-1/4 inch straight tension