Specification Binding : Personal Computers Brand : waveshare Label : Waveshare Manufacturer : Waveshare Model : Stepper Motor HAT (B) for Pi PackageDimensions_Weight : 0.1 PackageDimensions : L:3.59 X W:2.36 X H:1.8 PartNumber : Stepper Motor HAT (B) for Pi ProductGroup : PC Accessory ProductTypeName : MOTHERBOARD Publisher : Waveshare SmallImage_Height : 56 SmallImage_URL : https://m.media-amazon.com/images/I/41rDJXQfxZL._SL75_.jpg SmallImage_Width : 75 Studio : Waveshare Title : HRB8825 Stepper Motor HAT Board for Raspberry Pi Series Boards/Jetson Nano,Drives Two Stepper Motors Up to 1/32 Microstepping,Support 3D Printer, Sculpturing Machine, Mechanical Arm Weight : 0.1 WeightUnit : pounds