Features 1. Extremely long lifetime 2. Fast Grind 3. Specially to be used in very strong angle grinders 4. Easy in use 5. The working piece will stay clean 6. Premium quality with competitive price 7. Wide Variety of Applications 8.Production is based on ISO9001 and MPA EN 12413 9. Accept OEM 10.3 sheets of fiberglass for durability and safety Recommended Application: Masonary Stone Concrete Ceramics Marble Available: Shape 27Wholesale Grinding Disc website:http://www.cumetflex.com/grinding-disc/