This high precision mini motor is designed for DIY enthusiasts, model makers, and handicraft lovers. It is widely used in processing and polishing of various small objects, such as jewelry, jade, eyeglasses, mobile phone cases, watches, etc. It is a good helper for your carving work. This mini motor is made of high quality material, which is durable and has long service life. The spindle is made of high-speed steel, with high hardness, good wear resistance and long service life. The gear is made of high quality brass, with good toughness and wear resistance. The handle is made of wood, which is comfortable to grip. The mini motor has a wide range of uses, and is your good partner for processing and polishing. It is suitable for engraving, grinding, sanding, polishing and other operations.