MK Morse CSM72560AC Metal Devil 7-1/4" Aluminum Cutting Circular Saw Blade Used to cut all 3/8" or thinner aluminum parts including extrusions, plate, angle and grating. In laboratory tests, the Morse Metal Devil cut through 6" X 1/4" thick steel plate in less than 12 seconds. This Devil is a speed demon! The unique metallurgy of the carbide tips allows minimal heat transferred to the inner plate. Constructed with a hardened steel inner plate that has a unique combination of tungsten carbide and titanium carbide tips brazed to the teeth resulting in a blade offering exceptional wear resistance Measures 7-1/4-inches in diameter with 60 teeth