The Fein 6-35-02-114-01-7 2-1/2-inch Diamond Segmented Saw Blade is the blade to use for tile work with your Fein MultiMaster. You can use the Fein 6-35-02-114-01-7 to cut out marble and concrete joints. The Fein 6-35-02-114-01-7 2-1/2-inch Diamond Segmented Saw Blade is also great for sinking ducts in plaster and any soft masonry. Features: For cutting out defective tile grout and cutting grooves in porous concrete and similar construction materials Creates very little dust when used with the Fein MultiMaster Does not damage adjoining tiles Can be used on plaster as well What's In The Box: Fein 6-35-02-114-01-7 2-1/2-inch Diamond Segmented Saw Blade