uxcell Diamond Needle File Set 5mm x 180mm, Flat Files Titanium Coated Tools for Metal Wood Stone Glass, 10pcs auspowers_batchfour 8 inch (4 pieces) Good

8 inch (4 pieces) Good conductivity

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uxcell Diamond Needle File Set 5mm x 180mm, Flat Files Titanium Coated Tools for Metal Wood Stone Glass, 10pcs auspowers_batchfour 8 inch (4 pieces) Gooduxcell Diamond Needle File Set 5mm x 180mm, Flat Files Titanium Coated Tools for Metal Wood Stone Glass, 10pcs Product Features Mini Size: 7. 1" (180mm) total length, 2. 76" (70mm) diamond working length. For working on small, delicate projects. Mainly used for processing hard material, quenched material, glass products etc. Wide Applications: Suitable for sanding metal, wood, plastic, marble, stone, glass. Especially perfect for finely grinding