CCGRINDPOLSET220: SECCO 220V CCGRINDPOLSET 5-Inch Variable Speed Concrete Wet Polishing and Grinding Kit. Includes Fu-Tung DIY DVD Secco 220 volt variable speed wet polisher DVS water and dust containment vacuum attachment Step-by-step Fu Tung Cheng DVD 4" Diamond Cup wheel for aggressive grinding and aggregate exposure 5"x3MM wet CONCRETE polishing pads; 50, 100, 200, 400, 800, 1500, 3000 grits with 5" backer pad