Andoer 8pcs Filter Step Up Rings Adapter 49-52-55-58-62-67-72-77-82mm 49mm-82mm 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.