Specification Brand : BIGTREETECH Direct Label : BIGTREETECH Direct Manufacturer : BIGTREETECH Direct MaterialType : PCB PackageDimensions_Weight : 0.01984160357999999559075476 PackageDimensions : L:4.099999995818 X W:3.99999999592 X H:1.199999998776 PartNumber : 2019 ProductGroup : BISS Basic ProductTypeName : CUTTING_TOOLS Publisher : BIGTREETECH Direct SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/419K5DKk65L._SL75_.jpg SmallImage_Width : 75 Studio : BIGTREETECH Direct Title : BIGTREETECH DIRECT TMC2209 V1.2 Stepper Motor Driver UART VS TMC2208 TMC2130 A4988 SKR V1.3 Pro Control Board 3D Printer Parts Mini E3 Weight : 0 WeightUnit : pounds