The diamond needle file set is designed for strange objects that are difficult to reach, including 10 different shapes of square, round, plane, triangle, hook, etc.Special shape design for fine grinding and shaping of multiple angles.Free free cutter and clamp for easy use. Made of high-quality Material, diamond sand coating, has excellent wear resistance and rust resistance and long service life.High hardness materials, high cutting efficiency, easy removal of cutting such as hardened steel, carbide, titanium, stone, glass and ceramic tiles. 5-1/2 inches (140 mm), Diamond coating area: 1 inches (25 mm), average shaft diameter.:1/8 inch (3mm).Designed for precise work and fine and precise metal parts . PVC impregnated and non-slip handles provide a comfortable grip, reducing fatigue; keeping it firm and comfortable even in wet conditions. Compare for small and delicate work and light details polishing.Suitable for wood, plastic, glass, ceramic tile, stone, ceramic and soft metal for shaping, forming, engraving and material removal.Very suitable for jewelry making, wood processing, metal processing. Colour:As Shown Material:Metal Package Contents: 1 set * needle file set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.