Promaster 4991 52-58mm Step-Up Ring

ProMaster Step Up Ring - 52mm-58mmProMaster SKU: 4991 | Helix SKU: PR4991OverviewProMaster Stepping Rings are the perfect addition to your collection of photographic gear. Use them with special effects filters and add on lenses to convert a lens with one thread diameter to a filter or conversion lens with another. ProMaster Stepping Rings are precision milled and designed to give you years of reliable service.