The price includes sets of 9 Diamonds and/or Resins, is per day. and includes as many grits as necessary to achieve the desired finish. Grits of Diamonds avaliable: 14 grit through 120 grit Grits of Resins/Polishing Pucks: 50 grit through 1500 grit Type of diamonds used dependant upon hardness of floor. MOH's Hardness Scratch Test avaliable at no charge to test concrete. (This assumes all the tooling is used on this grinder only and is not used concurrently on multiple grinders) Tooling is also avaliable for purchase.