Shark Pro-series 8-1/4 inch 40 Teeth Carbide 5/8" arbor hole DKO Thin Kerf ATB Circular Saw Blade Meets or Exceeds Quality of Most All other Major Brands Performance Guaranteed Fully Hardened "Tool-Steel" Body for Increased Blade Stability 8% COBALT C-3 CarbideTips are More Durable & Stay Sharp Longer Alternate Tooth Bevel grinding (ATB) for Faster & Smoother Cutting