1.Diamond cutting disk 2.used to cut marble, granite, tile, such hard materials. 3.fast cutting speed and long life 4.top one Electroplated Marble and Soft Stone Diamond Saw BladeModel: BF-EJ5009Sizes: 4" - 12" or as your requirementThis Electroplated Marble and Soft Stone Diamond Saw Blade is used to cut marble, granite, tile, such hard materials.