dry polishing pad model:3",4",5",6" grite:#50--#3000 Characteristics: a light, high efficiency, without water can also use item dry polishing paddiameter 4",5",6"thickness 1-1.3mmgrit #50,#100,#200,#400,#800,#1500,#3000,BUFFworking conditions under 5000r/mpressure under 2kgs/cm2 without waterapplication for shaping and polishing of granite and marble dry polishing pad abrasive discs