To grind hard brittle fragile things like glass, ceremics, stone etc. Sharp, long life, hard wearing, no peel off Jiu ... fragile things like granite, marble, ceramics, tiles, bricks, FRP, basalt and glass etc.3. Purchase noticeStandard product should be smooth on ... diamond saw blade with flange diamond cut and grind disc symbal shaped grind disc cut and grind disc with handle diamond grinding ...