Specification Binding : Unknown Binding Brand : Yinpecly Color : Red Label : Yinpecly Manufacturer : Yinpecly MaterialType : Spring Steel Model : BM1702S1012IG NumberOfItems : 1 PackageDimensions_Weight : 0.14991433816 PackageDimensions : L:2.7599999971848 X W:2.599999997348 X H:1.3799999985924 PartNumber : BM1702S1012IG ProductGroup : BISS Basic ProductTypeName : GROMMETS Publisher : Yinpecly Size : 30-15-30mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31RjS8OTJfL._SL75_.jpg SmallImage_Width : 75 Studio : Yinpecly Title : Yinpecly 3D Printer Motherboard Accessories 30mm OD 15mm ID 30mm Long Medium Load Compression Mould Die Spring for 3D Printer Ender Electric Part Red 1PC Weight : 0.1 WeightUnit : pounds