Item Type: All Metal Filter Lens Product Material: Metal Color: As Pictures Shown Weight: Approx. 127g / 4.5oz Package List 1 Set x Adapter Ring(18Pcs) 1Multiple Purposes: We can realize one filter for multiple purposes, especially the forward transition ring. For example, an 82mm filter lens can be used for almost all lenses below 77mm through the forward transition ring. 2All Metal Material: Made of all metal material, fine workmanship makes the filter adapter ring durable, not easy to damage. 3Replacement Part: Camera filter adapter ring is easy to install and disassemble, you can replace the old or damaged parts. 4Good Workmanship: Exquisite workmanship, beautiful appearance, portable size, providing you great using experience. 5Closely Fitting: 18 piece filter ring adapter set closely fits the original machine hole position with accurate shape and size.