The diamond needle file set is designed Compatible with strange objects that are difficult to reach, including 10 different shapes of square, round, plane, triangle, hook, etc.Special shape design Compatible with fine grinding and shaping of multiple angles.Free free cutter and clamp Compatible with 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 Compatible with precise work and fine and precise metal parts . PVC impregnated and non-slip handles provide a comCompatible withtable grip, reducing fatigue; keeping it firm and comCompatible withtable even in wet conditions. Compare Compatible with small and delicate work and light details polishing.Suitable Compatible with wood, plastic, glass, ceramic tile, stone, ceramic and soft metal Compatible with shaping, Compatible withming, engraving and material removal.Very suitable Compatible with 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.