Mini Size: 5.5inch (140mm) total length, 1.97inch (50mm) working length. For working on small, delicate projects. Mainly used for processing hard material, quenched material, glass products etc. Non-slip Handle: Dipped handle provides firm and comfortable grip in use when exposed to fluid or moisture. Wide Applications: Suitable for sanding metal, wood, plastic, marble, stone, glass. Especially perfect for finely grinding models and jewellery, instrument parts, and dies. Features: Organized in a plastic pouch for dust- storage. Titanium plating can offer capability, wear resistance, rust prevention, and long service life. Notice: For long-lasting use, please use a lubricant (such as water) when you use the needle files., Weight: 0.26235009178 Pounds, Manufacturer: rirue