For sharpening drill bits sizes 3/32" to 1/2" with 118 deg. angle. Can be used on titanium cobalt, high speed steel and masonry bits. Diamond sharpening stone for long life and precision sharpening. On-chuck alignment eliminates alignment port for simplified sharpening process. V-Block chuck jaws eliminate jaw twisting on small bits. Permanent magnet motor produces consistent power, regardless of speed or load. Easy to replace diamond sharpening wheel. 6 foot power cord. Instructional video included.