This is a Brand New SawStop BTS-DS8-2402 8 Premium Dado Carbide Saw Blade Set Woodworking Tool. True-To Size Cuts: 24-Tooth main blades and flat-grind chippers provide cleaner cuts. Extended Cutting Range: A variety of chipper widths provides maximum flexibility.Cleaner Cuts: -5 Degree hook means less tear out for cleaner cuts. Arbor, 24-tooth main blades, 5 Chippers, 6 Shims, 1/4 in. Cutting range, -5 Degree hook angle 6000 maximum RPM. Please check all the photos as this is the exact item you will receive.