The Imperial Blade 1-1/4 inch bi metal saw blade has 14 teeth per inch, is 2-1/2 inches wide, and has a 1-5/8 inch cutting depth. The Universal Bi Metal saw blade is made with the industry's highest quality high speed steel material. This blade is made to cut larger framing nails, bolts, and sheet metal. 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.