Specification Amount : 11.49 Binding : Unknown Binding Brand : MroMax Color : Length 30mm CurrencyCode : USD Label : MroMax Manufacturer : MroMax MaterialType : Spring Steel Model : 12mm OD 30mm Long NumberOfItems : 2 PackageDimensions_Weight : 0.09038952742 PackageDimensions : L:1.9299999980314 X W:1.4599999985108 X H:0.549999999439 PartNumber : MRO190906S-0091 ProductGroup : BISS Basic ProductTypeName : COMPRESSION_SPRINGS Publisher : MroMax Size : 2pcs blue TL12-6-30 SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41Rjj0djZTL._SL75_.jpg SmallImage_Width : 75 Studio : MroMax Title : MroMax 3D Printer Die Spring 12mm OD 30mm Long Spring Steel Spiral Stamping Light Load Compression Mould Die Spring Blue 2Pcs 3D Printer Spring Bottom Connect Leveling Compatible with 3D Printer Bed Weight : 0.1 WeightUnit : pounds