Specification Amount : 9.39 Binding : Unknown Binding Brand : MroMax Color : Length 40mm CurrencyCode : USD Label : MroMax Manufacturer : MroMax MaterialType : Spring Steel Model : 10mm OD 40mm Long NumberOfItems : 5 PackageDimensions_Weight : 0.0793664143199999779537738 PackageDimensions : L:3.3070866108 X W:2.3622047220 X H:0.3937007870 PartNumber : MRO190906S-0081 ProductGroup : BISS Basic ProductTypeName : INDUSTRIAL_WHEELS Publisher : MroMax Size : 5pcs SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51u+YSyxptL._SL75_.jpg SmallImage_Width : 75 Studio : MroMax Title : MroMax 3D Printer Die Spring 10mm OD 40mm Long Spring Steel Spiral Stamping Light Load Compression Mould Die Spring Blue 5Pcs 3D Printer Spring Bottom Connect Leveling Compatible with 3D Printer Bed Weight : 0.1 WeightUnit : pounds