Imperial blades- American Mades 3-1/8" high speed steel segment saw blade is a flat blade that has 18 teeth per inch, is 3-1/8 inch in diameter, and has a plunge depth of 1-1/16 inches. This is a high-speed steel flat saw blade that is segmented on one side. The high-speed steel material is rigid, allowing the blade to cut through harder wood and sheet metal up to 1 millimeter thick as well as carbon fiber, fiberglass, and nails. 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.