1. Perfect for cutting building materials・like granite marble・concrete・brick and so on 2. Most suitable for dry cutting3. High quality diamond concentration4. Without edge collapse5. Block-shaped tooth-shaped・ fast chip removal6. TUV certification and PICC product liability insuranceSpecification・Diameter : 300mmSegments W : 3.2mmSegments H・7mm/10mm/12mm/15mmSegment Teeth : 22Arbor : 22.23゛50mm (Size can be customized according to the requirements of buyers)