1.This high-performance electric jade grinder is finely designed and easy to operate for both beginners and experienced craftsmen. It adopts a powerful copper core wire motor with precision designs, which can run stably for a long time so that your every creation can be efficient and easy. 2.The external carbon brush design makes it easy for you to replace the carbon brushes in time and quickly. 3.Protective Cover: The collet protector can protect the collets from damage during transportation, as well as prevent the package from being destroyed. 4.Heat Dissipation Holes: They can help this product dissipate heat better and extend the life of the product. 5.Grinding Head Exchanging Wrench: It can help you quickly and easily install and replace the drill bits or grinding heads(not included). Application The product is compatible with a wide range of grinding heads from 0.059-0.24 inches for descaling, polishing, sanding, grinding, milling, engraving, and sharpening as well as other DIY crafts and small home projects. Specifications Color: Red, Black Material: Nylon, Aluminum Motor Type: Copper Core Wire Motor Power Source: Corded Electric Plug Type: EU Standard Voltage: 220V~, 50/60Hz Power: 280W Speed Gear: 6 Speed: 8000-33000r/min Clamping Range: 1.5-6mm/0.059-0.24in Product Size(D*H): 6.5*27.5cm/2.55*10.82in Package Size: 29*11.5*7cm/11.42*4.53*2.76in Gross Weight: 1.05kg/2.31lbs Net Weight: 1.05kg/2.31lbs Package Included 1* Electric Jade Grinder 1* Drill Chuck Wrench Notes 1.Please check the size carefully before ordering. 2.Please beware of electrical safety hazards and take the necessary personal protection measures when using such tools and keep them out of the reach of children daily.