Specification Binding : Unknown Binding Brand : Yinpecly Color : Red Label : Yinpecly Manufacturer : Yinpecly MaterialType : Spring Steel Model : BM2502S1012IG NumberOfItems : 1 PackageDimensions_Weight : 0.18077905484 PackageDimensions : L:2.8299999971134 X W:1.7699999981946 X H:1.2599999987148 PartNumber : BM2502S1012IG ProductGroup : BISS Basic ProductTypeName : GROMMETS Publisher : Yinpecly Size : 30-15-40mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41oLRf7wpyL._SL75_.jpg SmallImage_Width : 75 Studio : Yinpecly Title : Yinpecly 30mm OD 40mm Long Medium Load Compression Mould Die Spring for 3D Printer Ender Electric Part Red 1PCS Weight : 0.2 WeightUnit : pounds