Electric Micro Engraver Pen Mini DIY Vibro Engraving Tool Kit for Metal Glass Ceramic Plastic Wood Jewelry with Scriber Etcher(1pen 16 Stencils) (Black)

Specifications of Drill Engraving Kit:
Input: 100-240V/50-60HZ
Output: 9V/1000mA
Stepless Speed: 3000-20000 RPM

Package Include:
1 x electric micro engraver pen (15.7 cm*2.39 cm)
1 x charger
30 x 2.35mm diamond burr(10 pointed bits, 5 round bits, 4 jujube-shaped bits, 11 flat bits) 
6 x polishing head and 6 sanding ring 
16 x stencils

How to use?
1. Connect the power adapter to the engraver pen and plug it in
2. Select the polish head you need, insert the polish head into the top of the main pen, push the switch
3. For safety reasons, the polish head is not tightly inserted into the grinding machine. Please pay attention to adjust the angle when using it to prevent the polish head from slipping out
4. In an emergency, press the metal button on the upper part of the machine and the unit will stop rotating

Note:
1. Please allow little color difference due to different camera or light environment. 
2. 0-1in error of measuring is a reasonable range due to different measurement methods.