This flush cut carbide-tipped saw blade is ideal for cutting out damaged tile grout or cutting grooves in plaster, porous concrete, and similar building materials. The arbor on this blade is universal and compatible with Fein MultiMaster<tm>, Rockwell Sonicrafter<tm>, Craftsman Multi-Tool<tm>, Bosch Multi-X<tm>, Dremel Multi-Max<tm>, and Chicago Multi-Tool<tm>. 1-1/4" wide, 1" plunge depth.