1.For polishing the granite surface into a leather-look or producing an antique look on the granite slab 2.Adopt the diamond-impregnated filament. 3.Type of brush: Frankfurt, Fickert, and Round, 4.Grit:30#, 40#, 60#, 80#, 120#, 180#, 240#, 320#, 500#.
