... including 50,100,200,400,800,1500,3000 Available sizes: 2"x2"RPM: 2000Item No.SizeGrit No.ThreadsC1004622"x2"/(50x50mm)505 ... sharpeness.One set including 30,50,100,200.Available sizes: 3",4"Thickness: 4mmWet use.RPM: 4000Item No.SizeGrit No ...