These engraving tool equipped with Lithium battery and rechargeable by USB interface. Cordless using will be up to 50 minutes idling after full charge. Easy to help you finish better engraved craft and outdoor working.3 position adjust rotation speed from 5000-25000 r/min to apply different requirements. The lowest speed will let you polishing your nail in safe, the highest speed are also working on metal carving.Metal engraver pen equips with excellent motor,heat dissipation design,qualify circuit chip to allow long time using.these engraving rotary tools kit include 30 grinding bits, 2 drill bits, 3 saw blades,1 tungsten steel bit,4 words stencil. The tungsten steel bit own 91HRA hardness,which special sharp on metal and glass.all these are easy for beginner to work on engraving, carving, sanding, polishing, etching, routing, grinding, drilling, cutting.Our metal engraving machine fit for almost all material surface as long as you choose right bits,on metal, glass, ceramic, leather, wood,jewelry,stone ,jade or statue.they are convenience to take anywhere and allow you enjoy relaxing hand drill jewelry or metal DIY customizer engraving.Our metal engraving tools are easy to operate.it will be wonderful to use it create a keychain,DIY a necklace ,send gift to your friends or lover.Size: 26 x 155mmVoltage rating: 3.7VBattery type: 3.7V Li-on / 0.6AhCharging voltage: 5V DC (USB)Charging time: 2hrUsing time: 50 minNo-speed: 5000-25000 rpm/minMaterial: Metalcolour: As shownPackage Contents:1 x USB cable1 x engraving pen30 x grinding heads2 x drill bits3 x saw blade1 x connecting rod1 x tungsten steel drill bit4 x-word templatesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
