Symkmb Engraving Pen with 37 Bits, USB Rechargeable Cordless- Engraving Tool, Portable DIY Rotary Engraver Black Metal Black

Power source: USB charging<br>Work Rate:25W<br>Transfer Speed:5000-18000r/min<br>Rated voltage:3.7V<br>Diameter of bits:2.35mm<br>Around 3-5 hours idling after full charge Tungsten Steel Bit: The hardness of tungsten steel bit is 91HRA ,which often work on hard metal and glass,specially, it can help your glass work.<br>Power-off Protection: When tool encounter great resistance, it shut off automatically to protect itself to extend using life.Then you just need to ON/OFF button to start working again. <br>USB Power Charging The electric jewelry drill powered by USB interface, it can meet your outdoor using after finishing charging.It can also be used while charging, but we suggest you to use after charging to extent battery using life.<br>Colour:Black<br>Material:Metal<br><br>Package Contents:<br>1 x Engraving pen<br>1 x USB charging cable<br>1 x Polish bit <br>2 x Drill bits <br>3 x Saw bits <br>30 x Engraving bits<br>16 x Stencils<br><br>Only the above package content, other products are not included.<br>Note: Light reflection 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.

• Intelligent Power-Off Protection: Rechargeable USB type-C charging metal engraver pen, there is a built-in overload protection chip, when the resistance is too high, it automatically power off to protect it, and prolong the service life of the jewelry engraving machine
• 3 LEVAL VISIBLE SPEED ADJUST: This electric engraving pen for all material is about 5000-18000r/min, and different speeds are used to engrave different materials. The engraving pen is and ergonomically designed to give you precise control and engraving.
• This is the latest and newest set of engraving pen, all these bits are enough to work on engraving, carving, sanding, polishing, , routing, grinding, drilling, cutting.
• Low Noise: The sound of this cordless rotary tool is very low when working, even if someone is sleeping, he or she not feel very noisy. Great for beginners and professionals to use anytime, anywhere to make unique creations that you like