Features: Step up ring set allows bigger size filter to fit on lens with smaller filter thread size. All the rings can be screw together for easy to store and carry. Made of high quality anodized black aluminum. The set also can be used as a lens hood, this means that you don't need to waste extra money to a single lens hood. This is a very perfect product for your photography. Specifications: Material: Aluminum Quantity: 8pcs Ring size: 49-52mm, 52-55mm, 55-58mm, 58-62mm, 62-67mm, 67-72mm, 72-77mm, 77-82mm Package size: 8.7 * 8.7 * 4cm / 3.4 * 3.4 * 1.6in Package weight: 41g / 1.4oz Package List: 1 * 49-52mm step-up ring 1 * 52-55mm step-up ring 1 * 55-58mm step-up ring 1 * 58-62mm step-up ring 1 * 62-67mm step-up ring 1 * 67-72mm step-up ring 1 * 72-77mm step-up ring 1 * 77-82mm step-up ring