- Designed for use with box rail
- For use with #59, #5100, #5103, #5104, #5105, #5110, #5114 or #5116 box rail
- Packed with connecting bolt and nuts; without end caps
- Durable one piece, precision formed steel
- Each hardened axle has 12 hardened and precision-ground alloy steel roller-bearings
- Delrin™ seals keep out dirt while holding in long-life grease
- Safe Working Load – 300 lb. per hanger
When subjected to 312 hours of salt fog spray testing (BHMA A138.18), zinc plated hardware showed severe corrosion while hardware with WeatherGuard™ protection withstood these harsh conditions with very little deterioration.