Resin bond, Flexible, Grit: 50, 100, 200, 400, 800, 1200,1500,3000,5000, 10000 & Buff Aggressive type and long duration, Shinning polishing performanceUsed on angle grinder, hand polisher,floor polishing machine, line polishing machine, For granite, marble, Ceramic floor grinding and polishing, One wet condition.