Excellent material. D-ring made of high strength galvanised steel strong, anti-rust ability, durable and long service life. The product consists of six D-rings lashing eyelets with a breaking strength of 1200 pounds per lashing ring. Installation: The D-ring anchor provides a comfortable anchor point for ropes, elastic ropes or straps. It only requires two screws with a diameter of 0.6 cm and basic hardware that can be easily attached to metal surfaces or wooden floors. Package includes 24 pieces: The pack contains 6 D-rings and 6 mounting angles with 12 screws. The size of the D-ring size 4.5 x 4.0 x 0.6 cm. Wide range of applications: D-ring lashing ring has a variety of functions widely used in trucks, pickups, kayaks, off-road vehicles, motor homes, trucks and anchors on boats and trailers. Also very suitable for indoor and outdoor use, sling trainers, hammocks, awnings, fridges and similar equipment, camping equipment etc.