Imperial Blades LLC IBOA270-3 2-1/2" ONE FIT Japanese Precision HCS Blade 3 Count Japanese teeth for precision cutting in hardwoods up to 1-5/8" depth 2-1/2" Blade Width - 1-5/8" Plunge Depth 14 TPI (Teeth Per Inch) - Made of HCS (High-Carbon Steel) For Cutting in Wood and Hardwood 3 Blades per Package