Adapter ring is suitable for filters, close-up lenses and other attachments to lenses with different filter thread sizes. The Bower58-82mm Step-Up Adapter Ring easily screws onto the front of any 58mm Lens, and allows you to convert to the 82mm threads of accessory items (such as filters, hoods, flashes and lens converters). Package Content : 5 x Step Up Adapter Ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Weight : 12g Product Name : Step Up Adapter Ring;Material : Metal Size() : 83x 7mm/3.2 inch x 0.28 inch (Max.D*H);Color : Black Male Thread : 58mm/2.2 inch ;Female Thread : 82mm/3.2 inch