Special Designed Professional Grade Diamond Floor Polishing Pads, Perfect for Fast & Aggressive Concrete Polishing, Terrazzo Polishing, Stone Surface Polishing, Make your Surface Preparation Easier. Velcro Backed Pads, Super easy to install. Fits on most general Floor Grinder, Grinding Machine, Polishing Machine, Angle Grinder, Floor Scrubber. Premium Quality Diamond powder and High Concentration of Diamond that assures Durability and a Perfect Polishing Process. WET and DRY use, for Best result, Wet Polishing is recommended. Satisfying finish with shiny gloss result. Color Coded per Grit, easy to identify, avoiding any confusion during the process.