... marble, granite, limestone slate, sandstone, travertine and so on. SpecificationsDiamond abrasive brush 1.Polishing granite ... into leather-look . 2.Type: Frankfurt ,Fickert and Round 3.Grit:30# - 500# Diamond Abrasive ... marble, granite, limestone slate, sandstone, travertine and so on. Through grinding the surface of the ... filament.3.Type of brush: Frankfurt ,Fickert ,and Round,4.Grit:30#, 40#, 60#, 80#, ...