Permanent magnet motor produces consistent power. Push to Stop feature will not allow you to over split the bit point, adjustable material take-off, replaceable diamond sharpening wheel. Custom Point angle sharpening, choose any angle from115 degree to 140 degrees. One chuck sharpens all sizes, 3/32"-3/4", HSS, carbide, cobalt, TiN-coated and masonry bits.Includes: professional hard shell carrying case.