Specification Brand : BIGTREETECH Direct Label : BIGTREETECH Direct Manufacturer : BIGTREETECH Direct MaterialType : Stainless steel, Brass NumberOfItems : 1 PackageDimensions_Weight : 0.03968320715999998897688690 PackageDimensions : L:3.8599999960628 X W:2.5199999974296 X H:0.9399999990412 PartNumber : WSG000002*4 ProductGroup : BISS Basic ProductTypeName : MECHANICAL_COMPONENTS Publisher : BIGTREETECH Direct Size : Lead 8mm Anti Backlash Spring Loaded Nut SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41IScqdgsHL._SL75_.jpg SmallImage_Width : 75 Studio : BIGTREETECH Direct Title : BIGTREETECH Direct T8 Anti Backlash Spring Loaded Nut Pitch 2mm Lead 8mm Elimination Gap Nut for 8mm Acme Threaded Rod Lead Screws DIY CNC 3D Printer Parts (Pack of 4 Lead 8mm) Weight : 0 WeightUnit : pounds