Features 1、Made of high quality diamond, high strength, wear resistance, long service life. 2、Smooth and unbroken edges, low cutting resistance, high efficiency. 3、Good sharpness, low noise, dry grinding does not burn piece. 4、Manufactured with a durable cutting edge, fast and smooth cutting. 5、Commonly used for cutting / grinding concrete, granite, quartz stone, artificial stone, and various ceramics, etc. Specification Features: Made of high quality diamond, high strength, wear resistance, long service life. Smooth and unbroken edges, low cutting resistance, high efficiency. Good sharpness, low noise, dry grinding does not burn piece. Manufactured with a durable cutting edge, fast and smooth cutting. Commonly used for cutting / grinding concrete, granite, quartz stone, artificial stone, and various ceramics, etc. Specification: Material: Diamond Production process: sintering Outside diameter: 125mm / 4.9in Inner diameter: 22.2mm / 0.9in Thickness: 8mm / 0.3in Package List: 1* Diamond Grinding Wheel Package List