Feature: 1. Wide Application: Double cut rotary file is widely used in machinery, aviation, automobile, ship metal processing and DIY engraving, etc. 2. Multipurpose: Used for metalwork, model engineering, wood carving, jewellery making, welding, casting, deburring, grinding and sculpting. 3. Durable Material: Made of cemented carbide, it is 10 times more durable than HSS burrs and 200 times more durable than small grinding wheels. 4. Advantages: High hardness, strong wear resistance, no deformation even at extremely high temperatures, and can be used for a long time. 5. High Efficiency: Used with pneumatic or electric drive tools, the speed is fast, and there is no dust pollution, and the production efficiency is high. Specification: Item Type: Rotary file set Material: Carbide Kit Includes: AX0616M06, AX0820M06, AX1020M06, AX1225M06, AX1425M06 (The letters represent the international number of this product, X means double cut, the first two digits are the diameter of the cutter head, the third and fourth digits are the length of the cutter head, M06 is the diameter of the cutter handle is 6mm)Application: Suitable for surface grinding of aviation, automobile, ship, etc.. Package List: 5 x Rotary Burr File