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1. High hardness: Diamond file is made of special materials containing high hardness Diamond, its hardness is far more than the traditional metal file, can easily file a variety of hardness of the material. 2. Strong durability: After special process treatment, the diamond file is not easy to wear, has a long service life, and can still remain sharp after long-term use, reducing the user's cost. 3. High filing efficiency: The filing efficiency of diamond files is far higher than that of traditional metal files, which can greatly improve the work efficiency of users. 4. Diversified file shapes: Diamond files have many shapes, including flat files, semicircular files, round files, triangular files, etc., which can be applied to various file requirements. 5. Easy to clean: After filing, the diamond file is very convenient to clean. The general can easily wash the filings without damaging the diamond surface.