IEY1554 Features: * Trade Duty series circular saw blades last 60 times longer than standard steel blades * Tungsten carbide tips provide longer blade life and yield smoother cuts * Metal cutting blades are specially designed for cutting non-ferrous metals such as aluminum, copper, brass and lead * May also be used for general trimming in wood * Wood cutting blades feature an alternate top bevel, ATB, tooth configuration * Metal cutting blades feature a triple chip grind, TCG, tooth configuration to withstand greater shock * Miter saw table saw * .070"" plate thickness * 6,000 maximum RPM * 40 TPI