Specifications: Size: 5mm x 180mm File Type: Triangle Shank Diameter: 5mm / 0.2" Total Length: 180mm / 7" Diamond-plated Length: 70mm / 2.76" Material: Diamond, TPU Finish: Titanium Coated Color: Gold Tone, Blue Package Include: 1pcs x Diamond Needle Files Descriptions: Electroplated diamond has fine grains, high hardness and good wear resistance. The file teeth are clear, sharp and durable. Suitable for shaping and polishing metal, wood, marble, stone, plastic. Works on small and delicate projects. Especially perfect for finely grinding models and instrument parts, and dies. TPU plastic dipped handle provides firm and comfortable grip in use when exposed to fluid or moisture. Titanium plating can offer capability, wear resistance, rust prevention, and long service life. When using the file, it should not be too fast. The file usage frequency is 40 times per minute. For long-lasting use, please use a lubricant (such as water) when using diamond needle files. Tips: Do not use a needle file to polish the oxide layer of the workpiece. When filing, it should be ground in the same direction, not rubbing back and forth.
