HTC EZ M Series Floor Grinding Tools for medium concrete The new, improved M Series. Faster in the beginning and lasts longer in the long run! The M Series is a complete line of floor grinding tools for use on normal to soft concrete, natural stone and terrazzo. The course segments in the M series are ideal for removing a variety of floor coatings such as glue, epoxy paints, adhesives, self-leveling compounds, coatings, and more… 15% better cutting abality Up to 20% longer life EZchange™ and innovative EZstart™ Perfect for floor preparation This series of tools is one of the most used in the market Improved metal bond The M-Series is specifically developed for medium hard concrete (Mohs scratch test 3-5). If you are looking for metal grinding segments for Extra Hard, Hard, or Soft Concrete, try HTC Extra Hard Concrete - X-Series Hard Concrete - H-Series Soft Concrete - S-Series EZ M2 Gold (DS) - 25 grit Item Number: 213055-2 An all-around segment for concrete, natural stone and terrazzo. The tool has a long life and high removal capacity EZ M2 Gold (SS) - 25 grit Item Number: 213056-2 An all-around segment for concrete, natural stone and terrazzo. The tool has a long life and high removal capacity. EZ M3 Grey (DS) - 40 grit Item Number: 213055-3 A slightly finer concrete segment that also works well for paint removal. Can in some situations be used as the first step on normal concrete EZ M3 Grey (SS) - 40 grit Item Number: 213056-3 A slightly finer concrete segment that also works well for paint removal. Can in some situations be used as the first step on normal concrete. EZ M4 Brown (DS) - 80 grit Item Number: 213055-4 Use this tool after a previous grinding step if a high removal rate is desired. Gives an almost score-free surface. EZ M4 Brown (SS) - 80 grit Item Number: 213056-4 Use this tool after a previous grinding step if a high removal rate is desired. Gives an almost score-free surface. EZ M5 Black (DS) - 150 grit Item Number: 213055-5 Gives a slightly finer surface after a previous grinding step. Used for concrete, natural stone, and terrazzo. EZ M5 Black (SS) - 150 grit Item Number: 213056-5 Gives a slightly finer surface after a previous grinding step. Used for concrete, natural stone, and terrazzo.