Description: Made of a high-strength iron solid and stainless steel, lightweight, easy to carry, with a protective layer, corrosion and rust resistance, ensuring their long lifespan. These connecting rings are suitable for any surface or floor. It is suggested to install a screw with a diameter of 1/4 inch to fit the 9/32 inch hole in the mounting clip. These rings are not only used to provide comfortable anchor points for ropes, bungees, ties or straps, also they can be used as wall hooks in organizing garages, warehouses and workshops. Widely used for Loads on trailer, trucks, cargo, trailers, RV, Boats, Campers, ATV and so on. Package includes 40 D shape lashing rings, in black and grey color. Specification: Material: Iron Stainless steel Color: Black and Grey Size: 3.6x4cm/1.4x1.6inch Quantity: 40 Features: Foldable D Shape Strong Durable Package Includes: 40 x D Shape Lashing Rings Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!