4Pcs 6inch Diamond Coated File Plastic Handle Hand Tools for Grinding on Glass Stone Marble Rock Bone Half Round/Flat/Round/Triangle Style 120 Grit

Diamond alloy files are made of high-strength diamond and high-quality substrate electroplating which are sharp wear-resistant high-strength possess physical properties strengthen and wear-resistant properties. 150mm overall length with 6 blade. 120 grit . Plastic handle horizontal grain design on the surface non-slip and comfortable. Cuts in all directions with smooth action. Coating : Both sides. Diamond files are most suitable for fine work and can be used for high-speed steel with a hardness of 69. Used in deburring fixing chipped glass mirror tile ceramics many hobbies and professional applications.