Grit: 60 Grit，80 Grit，100 Grit，120 Grit，150 Grit，180 Grit，240 Grit，320 Grit，400 Grit，600 Grit，800 Grit，1000 Grit,1200 Grit, 1500 Grit, 2000 Grit. --Grit material: Aluminum oxide. --Applicable tools: grinding machine, electric drill, angle grinder, polishing machine and other tools.
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