With three adjustable speed levels, this multifunctional mini electric grinder can be used for polishing/grinding/drilling ceramic, plastic, iron rod, walnut, wood, etc. Features: [Wide Application] Can be applied to polishing/grinding/drilling ceramic, porcelain, plastic, metal, stone, modeling clay, walnut, wood and smoother workpieces. [21pcs Accessories] Features a small plastic tool set, which includes different types of drill bits, grinding stone drill bits, grinding wheels, chuck and collets. [Adjustable 3 Speed Level] Different adjustable speeds without load from 6000rpm to 15000rpm meet finer and more precise work. delicate. [Rechargeable USB Port] Designed with a micro USB port for convenient charging, which also supports fast charging. [Compact and Lightweight] Measures 5.9 * 0.98in, weighs 3.52 ounces, held like a pen, which is compact and lightweight in hand, for easy one-handed operation. [Premium Quality] Equipped with Electronic Cell Protection (ECP) to prevent