Feature: 1. Multiple Purpose: Rotary file bit is widely used for metalwork, model engineering, wood carving, jewellery making, welding, casting, deburring, grinding and sculpting. 2. Wide Usages: Die grinder bit is suitable for copper, aluminum, steel, marble, wood and other materials, can also be used in machinery, aviation, automobiles, ships, etc. 3. Carbide Material: Good wear and heat resistance, high strength and toughness, remaining basically unchanged even at a temperature of 500℃, and still has high hardness at 1000℃. 4. Matching Use: You can use the durable carbide grinding bit tool with pneumatic or electric drive tools for higher working efficiency, stable performance and convenience. 5. Lightweight and Compact: Heavy duty carbide grinding head comes with simple and sturdy structure, small and light weight, easy and convenient to storage and transport. Specification: Item Type: Rotary File Bit Material: Carbide Color: Silver Application: Machinery, aviation, automobiles, ships, etc.. Package List: 1 x Rotary File Bit