●Converts a Lens with a 67mm Filter ring for Use with Kase Wolverine 82mm Magnetic Filters ●The adapter ring is made of lightweight aluminum, very light, and will not cause a burden. ●The installation method is magnetic suction, which is fast and convenient. With strong magnetism, you don’t have to worry about the filter falling off. ●Works only with Kase 82mm Magnetic Filters. ●Will NOT work with ordinary Non-Magnetic Filters.