Features:* High-quality diamond file set specially designed for hard-to-reach odd-shaped objects.* Shaping aids for removing burrs, fixing broken glass, mirrors, tiles, ceramics and professional uses.* It is sharp, wear-resistant, high-strength and has good physical properties, strengthening and wear resistance.* Widely used in various molds, models, parts, handicrafts and other industries, such as: grinding, polishing, engraving, cutting, correction of jade, ceramics, glass, crystal, metal, hard alloy and other parts.* Diamond file can assemble almost anything, it can only be used to repair details. When using it, the file is along the edge of the blade. The direction can push and fold the neat edge line.* Hardened cemented carbide, high hardness steel, ceramics, glass, etc. are excellent tools for the production and processing of workpieces in industries such as bearings, molds and gears. Specifications: Product name: diamond file Material: diamond Color: silver + red Size: 3*140mm Type: bending head Shape: various Suitable for: grinding, polishing, engraving, cutting, correction of jade, ceramics, glass, crystal, metal, hard alloy and other parts .Quantity: 10pcs/set Package content: 10 diamond file Note: 1. Transition: 1cm=10mm=0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.