How To Find Your Angle

How To Find Your Angle



  1. Use a marker to color in the bevel of your knife.
  2. Set one of your finer grit, diamond abrasives on the guide rod and lay the stone up against the knife, adjusting the L-bracket until the stone appears to lay flat on the bevel of the knife.
  3. Make a pass or two with the stone and observe where the marker is removed along the bevel as shown in fig 2 above.
    • If the marker is removed only from the bottom of the bevel on the shoulder, as in fig. 3 below, then the angle is set too narrowly. Move the L-bracket out a degree and try again.
    • If the marker is removed only from the top of the bevel along the edge as shown in fig. 4 below, the angle is set too widely. Move the L-bracket in one degree and try again.
  4. When the stone removes all the marker in one pass, observe the angle indicated on the degree bar or angle plate, at the inside edge of the L-bracket. This is your angle per side. Your included angle will be the angle of each side added together.



There are two other ways to find out the angle at which a knife has been sharpened.
  1. Consult the manufacturer’s documentation
  2. Use a laser goniometer available from CATRA at www.catra.org

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