Check the listing for details. 16 Grit Extra soft bond diamond tool-grind very hard concrete HTC Quick-Change. Condition: New. Listed at 36.00 USD. Normal 0 false false false EN-US JA X-NONE Metal Bond Trapezoid concrete floor resurfacing tool for concrete floor grinding resurfacing 16/20 grit, Extra soft Bond for very hard concrete Thick disc base is for strong holding of diamond segments under machine pressure while rotating to prevent tear-off when hit hidden obstacles. 16/20 grit grit is good for finer grinding and removing thin coating and residues of glue. Two bars are for aggressively resurfacing. Extra soft bond matrix is effective for very hard hardness of concrete floors. We also have 60/80#, 16/20# & 120/150# medium bond, hard bond and soft bond, as well as super hard bond and super soft bond in stock. Moreover, we carry those for most brands of grinders Shipping Policy Item can only be shipped to PayPal confirmed address. Return Policy We accept return only when the item is new/unused and in original box. Customer is required to pay your own shipping fee if not the reason of defect