Specification Amount : 7.98 Binding : Jewelry Brand : Fotodiox Color : Black CurrencyCode : USD Label : Fotodiox Inc. Manufacturer : Fotodiox Inc. MaterialType : Metal MetalType : Aluminum Model : 04sr4967 PackageDimensions_Weight : 0.02 PackageDimensions : L:2.6999999972460001968503935 X W:2.49999999745 X H:0.199999999796 PartNumber : 04sr4967 ProductGroup : Photography ProductTypeName : RING ProductTypeSubcategory : 42101610 Publisher : Fotodiox Inc. Size : 49-67 mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31UzXGG4oYL._SL75_.jpg SmallImage_Width : 75 Studio : Fotodiox Inc. Title : Fotodiox Metal Step Up Ring, Anodized Black Metal 49mm-67mm, 49-67 mm Weight : 0 WeightUnit : pounds