Grout Removal Blade, For Use In Reciprocating Saws, Designed To Quickly & Accurately Remove Grout, Coarse Carbide Grit Effectively Removes All Epoxy & Cement Based Grout Types, 1/8'' Up To 3/4'', Curved Cutting Edge For Maximum Accuracy, Corrosion Resistant Coating Or Longer Life, Fully Sealed Clamshell.