Provide a way to fit larger diameter filters or accessories onto a smaller lens.Made of aluminum alloy, and precision production ensures smooth mounting.Extremely solid and lightweight, polished and finished with anodized matte surface.Fit any lens with the same filter thread, manual or autofocus, digital or film.Colour: blackMaterial: aluminum alloyPackage Contents:8 x Step-up ring (including: 49mm-52mm , 52mm-55mm, 55mm-58mm, 58mm-62mm, 62mm-67mm, 67mm-72mm, 72mm-77mm, 77mm-82mm)Only the above package content, other products are not included.Note: Light 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.