Package contents and size: The set contains 10 diamond files in different shapes, including square, arc, crescent, round, flat, etc., the size is 3 x 140 mm, one quantity rich and different types can satisfy you. Different polishes. requirements. High quality material: The diamond file is made of hard alloy, the surface is electroplated by high-strength artificial diamond, wear-resistant, fast cutting speed, high work efficiency, durable, reusable and high strength, not easy to break or damage. damage. And the high density of diamond particles can effectively improve the cutting efficiency and wear resistance of the file. Comfortable handle: The handle of the diamond file is made of non-slip soft rubber handle, which is soft and non-slip, comfortable to hold, effectively reducing the pressure on the hand during use. Convenient storage: The diamond file is equipped with a storage bag with compartments, and each file shape can be stored separately to avoid mutual friction and affect wear resistance. And one side of the storage bag is transparent, allowing you to find the shape you want at any time. Wide application: Diamond files are widely used in various models, parts, crafts and other industries, can be used for grinding, polishing and engraving, very suitable for fine grinding of jewelry or other materials, such as glass, crystal, ceramics, jade, wood, etc.