Specification Amount : 7.98 Binding : Jewelry Brand : Fotodiox Color : Black CurrencyCode : USD Label : Fotodiox Inc. Manufacturer : Fotodiox Inc. MaterialType : Metal MetalType : Aluminum Model : 04sr5562 PackageDimensions_Weight : 0.03 PackageDimensions : L:3.49999999643 X W:2.99999999694 X H:0.299999999694 PartNumber : 04sr5562 ProductGroup : Photography ProductTypeName : RING Publisher : Fotodiox Inc. Size : 55-62 mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31ntGYsmiyL._SL75_.jpg SmallImage_Width : 75 Studio : Fotodiox Inc. Title : Fotodiox Metal Step Up Ring, Anodized Black Metal 55mm-62mm, 55-62 mm Weight : 0 WeightUnit : pounds