Complete with six grinding heads and a protective storage case, this USB rechargeable rotary tool delivers 60 minutes of uninterrupted operations after just of charging for organized creativity Ideal for hobbyists, professional craftsmen, and jewelry makers seeking precise control in detailed work, this compact engraving enhances creative projects with minimal fatigue Evtscans Grinding Pen is a versatile precisions engraving tool designed for carving, polishing, and cutting through metal, wood,, glass, and stone Featuring customizable speeds from 5000 to 18000 with three adjustable gears, this lightweights rotary tool boasts an ergonomic grips for comfortable extended use during intricate tasks Perfect for home repairs, craft creation, model customization, and stone polishing applications, it in scenarios requiring meticulous materials processing and finishing, Manufacturer: BULAIDAI