1. Diameter: 3", 4", 5" 2. Grit: #50, #100, #200, #400, #800, #1500, #3000, buff 3. Applications: They will be used to polish marble and granite. it is particularly effective on polish hard black and green marbles. They also can polish all the engineered stones including zodiac, silestone, caesarstone. 4. Feature: wet polishing, and they are very flexible and long lasting.
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