Specification Amount : 7.98 Binding : Jewelry Brand : Fotodiox Color : Black CurrencyCode : USD Label : Fotodiox Inc. Manufacturer : Fotodiox Inc. MaterialType : Metal MetalType : Aluminum Model : 04sr5862 PackageDimensions_Weight : 0.03 PackageDimensions : L:2.99999999694 X W:1.99999999796 X H:0.199999999796 PartNumber : 04sr5862 ProductGroup : Photography ProductTypeName : RING ProductTypeSubcategory : 42101610 Publisher : Fotodiox Inc. Size : 58-62 mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/311oEjXz31L._SL75_.jpg SmallImage_Width : 75 Studio : Fotodiox Inc. Title : Fotodiox Metal Step Up Ring, Anodized Black Metal 58mm-62mm, 58-62 mm Weight : 0 WeightUnit : pounds