General description The Half Round Diamond File is designed for metal grinding and sharpening, making it an essential tool for jewelry, stone, wood, tile, glass, and jade work. Constructed with a diamond coating and carbide steel, this file offers enhanced durability and strength, ensuring a longer service life. Technical specifications Length: 8 inches Material: Diamond coating and carbide steel Hardness: Suitable for high-speed steel with a hardness of 69 Usage This diamond file is ideal for fine work and is particularly effective on metals such as stainless steel, titanium, and high-nickel alloys. It is widely used in various applications including grinding, polishing, engraving, cutting, and correction of materials like jade, ceramics, glass, crystal, and cemented carbide. Other information Good heat dissipation prevents blackening or discoloration of the workpiece during grinding Minimal noise and dust production during use Non-slip plastic handle for comfortable grip