Features: 1.Premium Material: Rotary file is made of cemented carbide material, heat resistant, high strength, rustproof, sturdy and durable. 2.Excellent Performance: Professional manufacturing, exquisite workmanship, high efficiency, can be used in harsh environment. 3.Strict Standards: Built to greatly quality control standards, single cut rotary file has stable performance and high reliability. 4.Easy Operation: 5pcs single cut carbide rotary files are easy to grasp and use, convenient and practical, meet your different needs. 5.Wide Application: Carbide burr set is suitable for tool making, wood carving, welding, chamfering, die casting, deburring, finishing, etc. Specification: Item Type: Carbide Burrs Material: Cemented Carbide Set Includes: F0616M06, F0818M06, F1020M06, F1225M06, F1425M06 The letters represent the international number of this product, the first two digits are the diameter of the tool head, the third and fourth digits are the length of the tool head, and M06 is the diameter of the tool handle (unit is mm). Fitment: Suitable for surface grinding of aviation, automobile and ship, etc.