Secco CCGRINDPOLSET 5-Inch Variable Speed Concrete Wet Polishing and Grinding Kit, Includes Fu-Tung DIY DVD Secco 110-Volt variable speed wet polisher DVS water and dust containment vacuum attachment Step-by-step Fu Tung Cheng DVD 4-Inch 30/40-Grit Diamond Cup wheel for aggressive grinding and aggregate exposure 5-Inch by 3-MM wet Concrete polishing pads; 50, 100, 200, 400, 800, 1500, 3000-Grits with 5-Inch backer pad