Screws into the 62mm Thread of A Lens and Allows Revolution, Revolution Plus & Skyeye 77mm Magnetic Filters to be Used ****PLEASE NOTE**** NOT Compatible with Kase Wolverine Converts a Lens with an 62mm Filter ring for Use with Kase Revolution, Revolution Plus & Skyeye 77mm Magnetic Filters Lightweight, weighs less than 0.3 oz. ****PLEASE NOTE**** Works only with Revolution, Revolution Plus & Skyeye 77mm Magnetic Filters. ****PLEASE NOTE**** WIll NOT work with Kase Wolverine or ordinary Non Magnetic Filters. Kase Revolution 62mm to 77mm Magnetic Step Up Filter Ring Adapter