Carbide saw blade. For removal of defective tile grout. Also for making cuts in plaster, porous concrete and similar construction materials and for cleaning and reworking planked deck joints. Not suitable for very hard epoxy or cement grouts. The economical alternative to diamond blades.. Extra thin version. Kerf approx. 3/64 in [1.2 mm]. Segmented, ideal for working in corners and on edges without over cut.