Engraving Pen Portable Wireless Charging 3 Speed Drilling Cutting Grinding Lettering Metal Etching Pen Tool

sy to Operate: Our metal engraving tools are sy to operate, especially for beginners, Applicability: Three speed regulation, can be used to make key chains, necklaces. Body Material: Made of high quality metal, , term use without deformation. Item Type: Engraving Pen Product Material: Metal, Plastic Adapt To Grinding Hd Shank Diameter: Approx.2.35mm / 0.09in Chuck Depth: Approx.25mm / 1in Speed: 5000, 10000, 18000 Three Power: 8W Use Time: The Third Gr Runs For More Than 1 Hour With No Load. If You Need To Use It For A Time, You Can Use It While Charging Battery Voltage: 3.6V Battery Type: Lithium Battery (Shipped With Built in Battery) Battery Capacity: 300mAh Charging: 80 Full In 30 Minutes, Full In 60 Minutes