The 55 to 58mm Kase Magnetic Step-Up Ring allows you to attach 58mm magnetic Kase Wolverine filters to lenses with a 55mm filter thread. The step-up ring is made of steel and screws onto the front filter thread of your lens. Your magnetic Wolverine filters can then be easily snapped on and off. Kase Wolverine magnetic step-up rings are compatible with both the Wolverine and Revolution lines of filters.
UPC: 826635848509