Pneumatic Engraving Pen Scribe Hammer Hose Engraving Lettering Tool for Hard Material Air Engraving Pen Grinding Tool ,Easy to Use

1. The head of the pen adopts special alloy steel, quick operation, flexible and comfortable to use. 2. Depending on the difference of the material, depth may be up to 1 mm. 3. The main body is made of synthetic material, lightweight and convenient to use. 4. Compressed air, energy saving and eco-friendly. Noise reduce intake pipe, comfortable to use. 5. Works great on metals, wood, plastic, glass, stone, china and other hard material, great for marking tools, components, and more.