The Imperial Blade 2-1/2 inch fine tooth saw blade has 16 teeth per inch, is 2-1/2 inches in width, and has a cutting depth of 1-5/8 inches. The fine tooth configuration is specifically designed for precision wood applications. It can be used for cutting under the kick plate when installing new kitchen flooring, undercutting door jambs or flush cutting tongue-and-groove. It has a flush-cut design to allow the operator to lay the blades flat on surfaces perpendicular to the cut. The arbor on this blade is universal and 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. This model is a 3 pack of blades