Precision engraver compatible with metal, portable electric graver machine

Precision engraver compatible with metal, portable electric graver machine Description

Portable Precision Electric Engraving Pen Engraver DIY Carve Graver Machine Tools Battery Powered with Strong Diamond Tip Bit compatible with Jewellery Metal Plas
How to Use:
1.Put the batteries in the battery case and connect with the engraving pen.
2.Push the red button on the engraving pen, and then it can start to work.
Specifications:
Color: Black
Material: Plastic #43; Diamond Tip
Battery Operated: Powered by 4 * AA Batteries(Not included)
Application: Metal/Wood/Glass/Stone/Ceramics/Hard Material Surface
Item Size: 16.0 * 2.3cm / 6.3 * 0.9in
Item Weight: 41g / 1.4oz
Package Size: 11.7 * 19.8 * 2.8cm / 4.6 * 7.8 * 1.1in
Package Weight: 126g / 4.4oz
Notes:
Please allow 1-3mm error due to manual measurement.
Do not touch the diamond tip when the engraving pen is working.
Package List:
1 * Engraving Pen
1 * Battery Case