Specification Brand : stemoscope Label : Hulu Devices Manufacturer : Hulu Devices NumberOfItems : 30 PackageDimensions_Weight : 0.03968320716 PackageDimensions : L:6.1399999937372 X W:4.2899999956242 X H:0.2799999997144 PartNumber : ring-001 ProductGroup : BISS Basic ProductTypeName : PROFESSIONAL_HEALTHCARE Publisher : Hulu Devices SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/21ximvNlVZL._SL75_.jpg SmallImage_Width : 75 Studio : Hulu Devices Title : Black Ring Holding The Diaphragm for Stemoscope Pro Weight : 0 WeightUnit : pounds