Craftsman 32866 10" Blade Pack 40T and 60T Carbide Teeth Saw Blade 5/8" arbor and 5,700 max rpm Craftsman 32866 10" Blade Pack 40T and 60T Carbide Teeth Saw Blade 40 tooth blade for general purpose cutting 60 tooth blade for smooth or cross cuts. The carbide teeth last up to 10 times longer than regular steel teeth.