Forged from the choice material, each rotary file of this set has high hardness, high sharpness and good toughness, which is great for carving, drilling or polishing of metal or non-metal materials. Compared with the manual files and small grinding wheels, the production efficiencies of these rotary files are more ten times than theirs, and they can provide you with clean and quick grinding without dust pollution, which are more professional and convenient. These rotary files are made of tungsten, which is super sturdy and durable. The length of this set is 102mm, the width of this set is 81mm and the height of it is 14mm. This set can be widely used in woodworking carving, mold processing, burr cleaning and impeller polishing, etc. Item Name: Tungsten Rotary Files Material: Tungsten Handle Diameter: 6mm Shank Size Details: 102 x 81 x 14mm/4.02" x 3.19" x 0.55" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 5 x Tungsten Rotary Files