... sharp and has a long life. Features for Diamond Blade:We are factory specializing in research and manufacture of diamond ... saw blade, DiamondWire, Diverse-shaped Diamond Tools, Diamond Millstones, Diamond Core DirllBit, ect. Our produces are ranging in sawing, cutting, grinding, ... , drilling.They are widely used for cutting and grinding granite, marble, concrete, asphalt,ceramics, etc. If you are ...