Cordless Electric Engraving Pen Portable Polishing Engraver Carve Tool for DIY Jewelry Metal Wood

Main Features: 
Suitable for decorate or personalize a wide variety of materials including metal, plastic, glass, ceramic, wood, leather and more; Engrave for protection against theft. 
Small volume, light weight, easily carry. 
High Quality to engrave glass, metal, ceramic and plastic. 
Makes smooth and clear strokes. Works for metal, glass, ceramic, plastic, wood, etc. 
Only need 1pc 3.7V lithium battery (Not included). 
  
Specification: 
Type (optional): A: W/ 105PCS Accessories, B: W/ 161PCS Accessories(Box Packaging), C: W/ 161PCS Accessories(Bag packging); 
Power supply voltage: 5V; 
Input power: 30W; 
No-load speed: 15000 (rpm); 
Chuck size: 2.3mm; 
Size: 168mmx25mm/6.6inx1in. 
  
Package Contents: 
Type A: 
--1 x Polishing Pen; 
--105PCS Accessories. 
Type B: 
--1 x Polishing Pen; 
--161PCS Accessories; 
--1 x Box. 
Type C: 
--1 x Polishing Pen; 
--161PCS Accessories.