Pneumatic Engraving Lettering Tools Air Micro Grinder Scribe Hammer Pen Air Pencil Die Grinder Hose Engraving Pen

Small size light weight pen design quick lettering easy to use one hand. Precision designed micro grinder safe and durable use for flexible and comfortable. Pen needles is made of special alloy steel good durability. High-speed rotation improve grinding speed. This configuration is great for marking tools parts and more. Widely used in lettering category marker effect on the surface of the metal porcelain glass plastic marble wood stone porcelain and other hard materials.