This 1PC Bore 20mm Dia 3inch/75mm Vacuum Brazed Diamond Grinding Wheel offers precision and efficiency for grinding a variety of materials including marble, quartz, artificial stone, ceramic tile, and granite. Designed for professional use, this abrasive disc features high-quality diamond material and can be used dry or wet with an Angle Grinder. The 45 degrees hypotenuse edge profile provides a smooth and linear output, making it perfect for use on concrete outside walls and in building or decoration projects. With a durable design and customizable size options, this grinding disc is a versatile tool for any electrical DIY project.