- These steel rollers will outlast plastic and nylon rollers, but should not be used in coastal areas, or where exposed to prolonged high-humidity
- 5/16 in. wheel thickness, 1/4 in. inside diameter of axle hole with 1-1/2 in. outside diameter
- Features concave (grooved) edge for use over raised tracks
- Maximum load rating of 105 lbs. per wheel
- Constructed of a steel wheel, steel race, and steel ball bearings for greatest support
- Steel ball bearing wheels for long-lasting usage
- Used on a variety of sliding patio door systems
- For further dimensional information, please see the line drawing