National Hardware N183-137 Box Rail Hangers, 6 Inch Summer10 Site-Pro modular guarding system allows

Site-Pro modular guarding system allows for tool free adjustments of the guarding components appropriate for each application

Features 7 rotating audible sounds

funnel and rubber stopper

Advanced anti-wear agents provide wear protection for smoother shifts under all driving conditions

Ideal for storage and display needs

National Hardware N183-137 Box Rail Hangers, 6 Inch Summer10 Site-Pro modular guarding system allowsHighlights: Material : Steel Bearings Size : 6 inch Designed for use with 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