The grinder engraving kit is neceary for DIY carving and grinding. This electric carving tool has very mini grinder body, convenient to use. Suitable for jade agate nuclear carving wood carving. Electric portable drill, durable and reliable. Small volume, light weight, easily carry, comfort grip handle. 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. Color: Black HB-005 Speed: 5000-18000 RPM Adjustable Frequency: 50- 60hz Type: Drill, Polisher, Cutting Voltage: 18V Power: 18W Item Weight: Approx. 0.2KG 1x HB-005 Electric grinder 1 x Power Adapter(EU/AU/UK/US optional) 1X Certificate of conformity 15 x Tips (Stabdard) 40 x tips (optional) 100/ tips (optional) NOTE: In order to provide sufficient power, it's not battery-operated tool, needs to be connected to its power supply to work. Shipment:We will send the goods within 1 working day after receiving the payment Delivery Time:SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. Guarantee:12 months Manufacturer`s Warranty for defective items (excluding items damaged and/or misused after receipt). Defective items MUST BE reported You must tell us what the defect is Feedback:Feedback is very important! We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily addre your concerns. We appreciate 5-stars positive feedback, It's good for our longterm busine. We will also send the same feedback to you.