How to make a Awesome Disc Sander

（Materials required）配件表 board 木板 775 motor 775马达 M10 Arbor Mandrel Adaptor 5mm Shank M10锯片连接杆孔5mm 4 Inch Self-Adhesive Disc 4英寸砂纸自粘盘 4 Inch Sanding Discs 4英寸植绒砂纸 rocker Switch摇杆开关 socket 插座 24V5A Power Adapter 调压电源 music1 Song: Markvard - You And Me (Vlog No Copyright Music) Music provided by Vlog No Copyright Music. Video Link: