Diamond File
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Nickel-Plated Diamond Needle File Set-Abrasive Tool
Product Material: High Carbon Steel T12+Diamond
Product Application: Combination processing, multi-purpose.Micro-processing of wood and metal, processing watches and clocks, diamonds, all kinds of precision instruments. -
Diamond Hand File With High Quality-Hand Tool
Material: High Carbon Steel
Application: Diamond file can file almost anything, and can crush any turning tool board, even the mysterious high-speed steel with hardness of 69.