... kinds thickness:10mm diameter:125mm High quality diamond floor polishing pads:1, Grit: 30,50,100, ... in the process of grinding and polishing concrete floor Item No FPP125-1 Thickness10mm Diameter125mm Grit 30, ... Premium quality pads with highest diamond concentration •Durable resin compound•High gloss finish in very short time• ... International stone exhibition: 5 inch diamond resin floor abrasive pad