Feature: 1. Brazed Diamond: This beveling chamfer bit is made of brazed diamond material, ensuring excellent sharpness and grinding accuracy, the sturdy structure ensures strong wear resisting, and long service life 2. Applicable Range: This diamond cone bit is suitable for hole drilling, enlarging, chamfering, and polishing in marble, quartz, ceramic tiles, granite, and other materials, meeting various processing needs 3. Compatibility: This cone bit is designed specifically for M10 threaded connection, compatible with 100 type angle grinder or electric drill, allowing you to integrate it into existing tools to enhance functionality 4. Enhanced Durability: Brazed diamond structure ensures that the bit keeps its performance even after prolonged use, achieving consistent results without frequent replacement, suitable for professionals and crafters 5. Grinding Performance: This beveling chamfer bit has a particle size of 50 grit for incisive and efficient grinding, ensuring neat and accurate cutting and glossy surfaces with every use, improving work quality Specification: Item Type: Beveling Chamfer Bit Material: Diamond, Alloy Steel Size: Approx. 38mm / 1.5in, 50mm / 2in Application: Suitable for Marble, Quartz, Ceramic Tile Hole Sawing, Enlarging, Chamfering, Grinding; Compatible with 100 Type Angle Grinder or Hand Drill. Package List: 1 x 38mm Cone Bit 1 x 50mm Cone Bit 1 x Adapter Rod 2 x Storage Boxes