Specification Amount : 12.29 Brand : MroMax CurrencyCode : USD Label : MroMax Manufacturer : MroMax MaterialType : spring steel NumberOfItems : 1 PackageDimensions_Weight : 0.10361726314 PackageDimensions : L:3.5039370043 X W:1.9685039350 X H:1.0236220462 PartNumber : MRO190907S-0210 ProductGroup : BISS Basic ProductTypeName : INDUSTRIAL_WHEELS Publisher : MroMax Size : 1PCS SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41mMPAMrZTL._SL75_.jpg SmallImage_Width : 75 Studio : MroMax Title : MroMax 3D Printer Die Spring 20mm OD 50mm Long Medium Load Compression Mould Die Spring for 3D Printer Ender Electric Part Red 1PCS Weight : 0.1 WeightUnit : pounds