Material: Made of high hardness, oxidation-resistant metal and diamond particles, even sand, good quality, long service life, strong and durable. Dip Treatment: Non-slip grip, grip firmly and stay comfortable even in humid environment. The tips of the teeth are sharp and durable, and the filing speed is fast. Use: Almost used for shaping metal, wood and plastic, especially suitable for fine grinding models and jewelry. 10 Kinds of Shapes: Files with different shapes include handle, semicircle, square, circle, triangle, cross, equal sign, cone circle, hairpin and circular knife. Different shapes offer a wide choiceOptions for your work. Applicable materials: Suitable for all natural materials such as wood, stone, bone, etc. It can also be used for soft metals, plastics, ceramics and glass. Description: 1.The non-slip rubber/hardened rubber handle is stronger and more stable, effectively reducing the pressure during use and not fatigue after long-term use. 2.Comfortable non-slip grip keeps it firmly in place even in wet environments. Very high hardness, almost everything can be separated. 3.Multifunctional use, widely used in hard materials/tempered materials/metal/glass processing/mold polishing/wood processing/deburring/jewelry polishing/glass processing. The best choice forhouse, garage, workshop or other places. Specification: Material: Steel Colour: blue, gold Total length: approx. 3 * 14 cm / 1.2 * 5.5 inch Package includes: 1 * 10-piece needle file set Note:1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.2. Please allow 1-2cm error due to manual measurement.