Specification Binding : Electronics Brand : Tosuny Color : default Label : Tosuny Manufacturer : Tosuny Model : Tosunykqc9bg8awn PackageDimensions_Weight : 0.2645547144 PackageDimensions : L:3.9370078700 X W:2.1259842498 X H:0.9448818888 PartNumber : Tosunykqc9bg8awn ProductGroup : CE ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : Tosuny SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31IWCYeGZYL._SL75_.jpg SmallImage_Width : 75 Studio : Tosuny Title : Tosuny Lens Mount Ring Tripod Collar Mount Ring for Canon EF 70-200mm f/4L USM, for Canon EF 70-200mm f/4L is USM, for Canon EF 300mm f/4L USM, for Canon EF 400mm f/5.6L USM Weight : 0.3 WeightUnit : pounds