Shop Nilight 6Pcs 3/8” D-Rings Heavy Duty Truck Tie Down Anchors Steel 6000 Pound Tie Down Rings Hooks Loads on Trucks Trailers Boats RV Campers Vans Kayaks Motorcycles Deliveries ATVs, Black in high quality. Heavy Duty D Rings Tie Down Anchors is coated with black layer to prevent corrosion and rust. To ensure our d ring has excellent strength and provides the superior durability your towing needs.