... for marble and granite 4" Diamond Rein Pad for Hand Polishing MachineSize4"(100mm)Thickness3mmInner diameter18 / 20mmGrit#50,#100,#200,#400,#800 ... ,#1500,#3000,White/Black BuffBondresinOptimal RPM2000Max RPM5000Place of originZhengzhou,ChinaPackagecarton boxDelivery timeAfter the payment 7-30 days according ... trade with people in all countries on the basis of equality and mutual benefit.