ITEM NAME:2X(5V 10000Rpm Mini Electric Drilling And Polishing Machine Mini Electric GD5S5) 2X(5V 10000Rpm Mini Electric Drilling And Polishing Machine Mini Electric GD5S5) 2X(The mill engraving kit is necessary 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, easy to carry, comfort grip handle. For grinding aluminum plate, thin copper, plastic, chipboard, circuit board, epoxy board. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removal and drilling. Power source: DC Nominal input power: 130W Model number: TDR-013 Nominal torque: 2.5-3.2mm Frequency: 50 No loading speed: 11000 rpm Nominal voltage: 4.8 V Max Hole diameter: 3.2mm Drilling: Mini drill Drill size: 14 * 2.8 cm No-Load Speed: 10000RPM Rated Input Power: 10W Rated Voltage: 5V DIY Supplies: hand working Power: Power & USB charger colour:Gold Material:Aluminum alloy + copper Package Contents: 1 * drill chuck 1 * grinding wheel grinding head 3 * sand cloth rings 1 * rod 1 * usb charging cable)