The grinder engraving kit is necessary for DIY carving and grinding. This electric carving tool has very mini grinder body, convenient to use. Suitable for nuclear carving wood carving. For grinding aluminum plate, thin copper board, plastic board, chipboard, printed circuit board, epoxy board. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. It is a professional tool for cutting, engraving, milling, grinding, drawing, trimming, polishing, removing and drilling. It's designed for application of aluminum plate, thin copper board, plastic board, chipboard, printed circuit board, epoxy board. Item Size: 13.5 * 3.7 * 4cm / 5.2 * 1.5 * 1.6 inch Item Weight: 116.8g / 4.1oz (Electric Grinder). Plug Type: EU Plug,it applies to Indonesia, , , , and so on. Color: Green + Black Materials: Metal+plastic Package Contents: 1x electric drill 1x European plug power supply 5X copper chuck 4X grinding head 2X resin 5X bit 1X connecting rod Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.