The QEP Professional Carbide Grout Saw Replacement Blades (2-Pack) include 1 carbide grit edge blade and 1 blade with steel gulleted teeth. Use both blades together for wider floor grout joint widths. It provide exceptional leverage for stripping, cleaning and removing old grout. For stripping, cleaning and removing old grout, works on grout joint 3 1/16 inch and widerCarbide saw blade materialUse both blades for wide grout linesUse both blades for wide grout linesWet or dry use