Air Pencil Grinder, 70000 RPM, NPT 1/4 inch Pneumatic Engraving Pen with M3 Clamp

Features:1. High-speed engraving: With a speed of 70,000 RPM, this pneumatic engraving pen is perfect for writing on hardened steel, metal, glass, stone, ceramics, plastic, and other materials with precision and speed.2. Versatile tool: Ideal for fine adjustments, reshaping cutouts on screw heads or broken bolts for easy removal, this engraving pen can also easily add an individual touch to tools and equipment in workshops.3. Portable and lightweight design: Compact and lightweight, this pneumatic engraving pen features a pen-like design for one-handed operation, making it perfect for use in tight spaces. Easy to use, assemble, and transport.4. Improved Technology: Equipped with tungsten steel alloy gears, this pneumatic engraving pen offers remarkable durability and a longer lifespan.The pen's bearings can reach very high speeds of 70,000 RPM, thus improving the speed and efficiency of engraving.5.Precision and Efficiency: This pneumatic engraving pen combines high work efficiency with ease of use, ensuring precise and efficient performance for various engraving and shaping tasks.Specifications:Item Type: Air Pen GrinderMaterial: Alloy Steel, Tungsten Steel AlloyCollar: M3Speed: 70,000 RPMAir Hose Interface: NPT 1/4 inchHow to Use:Install and use!Package List:Package includes: 1 x Engraving Pen2 x Special Adjustment Tools1 x Air Tube Interface1 x Chuck