For removal of defective tile grout, cutting slots in plaster, porous concrete and similar construction materials and for cleaning and reworking planked deck joints. Not suitable for very hard epoxy or cement groups (for this project, use a diamond coated blade). Economical alternate to diamond blade. Segmented, ideal for working in corners and on edges without over cut. Suitable for FEIN MultiTalent, MultiMaster, Bosch, Makita, Ridgid, Milwaukee and many more.