The Imperial Blade flush cut segmented carbide blade is made from crushed carbide and has a 1 inch plunge depth. This blade is for cutting out damaged tile grout and for cutting grooves in plaster, porous concrete and similar construction materials. This model of blade has a universal arbor that is compatible with Fein Multimaster Tools, Dremel Multi-Max Tools, Bosch Multi-X Tools, Chicago Multi-Tool, Craftsman Multi Tool, Harbor Freight Multi-Tool, Milwaukee Tool, Ridged Multi-Tool, and Craftsman Multi-Tool.