B 523 Screen Door Roller, 3-1/4 in. Flat Tension Spring, High Density Polyethlene Roller, 2 Pack
- 1 inch high density polyethlene roller
- 1/4 inch roller width
- Concave (Grooved) roller
- High density polyethylene roller is will not rust
- Heat treated tension spring
- 3-1/4 inch straight tension spring
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.