Lenox 7 In. MetalMax Diamond Blade features premium European industrial diamonds expertly bonded to a durable steel core using a proprietary brazing compound. This blade is specially designed for metal cutting applications, delivering up to 30 times the life of traditional bonded abrasive blades. Its robust steel plate construction resists breakage and maintains diameter retention, enhancing safety and efficiency by reducing the frequency of blade changes. The blade supports dry cutting with a segmented rim type and fits angle grinders and circular saws with a 7/8 inch arbor size. With a maximum speed of 8400 rpm and an edge thickness of 0.060 inches, it ensures cleaner air and a better workspace environment by minimizing dust and debris. Model Number: 1972924