Air Pencil Die Grinder 70000rpm NPT1/4 Inch Pneumatic Grinder Engraving Pen with M3 Collet

Feature: 1. High Speed Engraving: With a speed of 70,000rpm, this pneumatic engraving pen is perfect for writing on hard steel, metal, glass, stone, ceramics, plastic, and more materials with accuracy and speed. 2. Versatile Tool: Ideal for fine tuning, reshaping cutouts on screw heads or broken bolts for easy removal, this engraving pen can also add a individual touch to tools and equipment in workshops with ease. 3. Portable and Lightweight Design: Compact and lightweight, this pneumatic engraving pen features a pen shaped design for single handed use, making it perfect for use in narrow areas. Easy to use, assemble, and carry around conveniently. 4. Upgraded Technology: Featuring tungsten steel alloy gear sets, this pneumatic engraving pen offers remarkable durability and a longer lifespan. The bearings of the pen can achieve super high speeds of 70,000rpm, enhancing grinding speed and efficiency. 5. Accuracy and Efficiency: This pneumatic engraving pen combines high working efficiency with ease of use, ensuring accurate and efficient performance for various engraving and shaping tasks. Specification: Item Type: Air Pencil Die Grinder Material: Alloy Steel, Tungsten Steel Alloy Collet: M3 Speed: 70000RPM Air Pipe Interface: NPT1/4 inch Package List: 1 x Engraving Pen 2 x Special Adjustment Tools 1 x Air Tube Interface 1 x Chuck