4-Teeth Diamond Grinding Wheel For Surface preparation, concrete correction and edging, grinding --High efficient --Different bonds --Long lifetime Perfect performance features hot-pressed, high density diamond and extra height segment. Velcro backer for easy grit change. Advantage: High density diamond and extra height segments provide high grinding and extreme removal capacity on concrete floors. GRIT: #6, #16/20, #30/40, #80/100, #150. Grit Application #6 -- fast, efficient removal of Mastics, Thin-set and various other coating #16/20 -- for removal of thin coating #30/40 -- multi purpose metal bond for thin mil coating removal and first step in polishing concrete #80/100 -- Initial grind on new concrete when polishing, can be used to prepare for acid staining or thin mil sealants #150 -- used to eliminate 80 grit scratches and prepare the floor for polishing An important grit in the dry polishing process and reduces the need for resin bond diamonds
