Circular Saw Blades. Tungsten Carbide Classic Series Saw Blades. All Hard, Precision Balanced Plated Bodies That Reduce Distortion And Run-Out. Alternate Top Bevel Ground, Tungsten Carbide Teeth Provides Clean, Smooth Cuts In All Types Of Woods. Heat Expansion Slots Keep Blades Running Cooler For A Longer Blade Life. Gits All Popular Saws, Including Worm Drive Saws. Combination Blades-Accurate Rip And Cross Cuts.