Size：3 × 140mm 4 × 160mm 5 × 180mm. Due to the high hardness of diamond, diamond files have good wear resistance and long service life under normal conditions of use. Colour：As shown. Diamond files can be used for fine machining, such as dressing of moulds, fine grinding of parts, etc., as it can maintain sharp abrasive grains, thus ensuring the accuracy of the machined surface.
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