Great advantage of rotary tool kit: this electric engraving tool has a very Mini grinding body, which is easy to use. The grinder engraving kit is necessary for DIY engraving and grinding. Rechargeable rated power: 6.5WNo load speed: 32000 (R / min)Speed change mode: stepless speed changeMaximum grinding wheel diameter: 0.3-3.2 (mm)Portability and convenience: cordless operation can be carried out after charging. It is held like a pen, the small and comfortable handle is ergonomically designed, and the hand-held rotating tool is easy to store and carry.Wide application: suitable for DIY creation, process project, cutting, sanding, polishing, forming, drilling, deburring, grinding, cleaning, engraving, trimming, etc. Suitable for metal, metal, wood, plastic, modeling clay, jewelry, aluminum. Perfect electric grinder, suitable for any home decoration or handmade work.