Include 12pcs Diamond Polishing Pads Wet & Dry Grinding 8pcs assort grit diamond polishing pads2pcs wool felt polishing pads1pc 5/8''-11 thread hook & loop backer pad1pc 8mm drill adapter 1X disc of 50 grit 1X disc of 100 grit 1X disc of 200 grit 1X disc of 400 grit 1X disc of 800 grit 1X disc of 1500 grit 1X disc of 3000 grit 1X disc of 6000 grit Durability and Effective Take Your Time, Go Slow and In Stages The granite diamond polishing pads are made of premium diamond and resin. Fast grinding force, good flexibility, wear resistance, high polishing efficiency, and long service life. The flexible diamond polishing discs are designed for wet and dry polishing, less dust, improve gloss finish in a short time. 50-200 grit suit for wet or dry polish; 400-6000 grit must be used with water to ensure the best polishing results. Premium Diamond and Resin High Polishing Efficiency Long Service Life Easy Change of Polishing Pads Go Slow and In Stages Follow the Recommended rpm，below 5000 rpm Wearing Safety Glasses or A Face Shield Diamond Material Aggressive and durability made with quality diamond powder impregnated in the resin. Bendable Grinding Soft abrasive disc, easy to grind the curved shape of the table, wide applicability. Nylon Velvet Premium nylon velvet, firmly bonded, be repeatedly torn and pasted. INTRODUCTION: Suitable for stone polishing, line chamfer, the arc plate, and special-shaped stone processing, repairing and renovating marble, terrazzo, glass ceramics, artificial stone, tiles, glazed tiles, vitrified tiles. Ideal for Most Stone Projects Marble Granite Concrete Quartz Easy to Install Connecting rod diameter 8 mm. The back is glued to the tray. Installed on an electric drill.