Package Includes (not including batteries) :
1 x Electric Engraving Pen
1 x Special Head Changing Tool
1 x Extra Replacement Head

Specifications:
Speed: 23,000(rpm)
Rated Voltage: 1 (V)
Power Type: 2 Pieces AAA Batteries (Not included)
Function: Painting,polishing,engraving,trimming,marking,grinding and so on.
Length: 16cm/6.3inch

Easy to Use:
Operate with one button, press to work, release to stop. 
Perfect for both beginners and professionals. 
Take your arts and crafts to the next level without the need for large, bulky and expensive engraving or engraving machines. 
It features a strong, lightweight aluminum frame and an ergonomic three-lobe grip for precise fingertip control.

Power:
The engraved pen powerful has a 23,000 RPM Motor only using two AAA batteries (The batteries are not included).

Precision Spindle:
High concentricity, stable clamping, suitable for grinding head with 2.34mm shank diameter. 

Small and Lightweight:
This is a portable engraving tool, with the shape of a pen, which can be held with one hand.
The handle has a frosted texture to prevent it from slipping and your hand is not tired after a long period of waiting.

Widely Applications:
Enables engraving on the surface of metal, wood, glass, stone, ceramics and hard material object. 
At this time, you can put on the Silicone Finger Protectors to Protect your fingers.

Notes:
The caving tools is not atoy, Children must not touch.