A good design begins with a perfect blank. With the Matt Reamer, you can quickly create perfect wax blanks with smooth, parallel walls and bore finger sizes straight through the blanks to exact dimensions. Consists of a precision-ground steel rod with a holding knob and two specially designed carbide blanks.

The wing blade is for planing the tube surface, and the boring bit is for boring the finger size. Turn the reamer clockwise and counterclockwise, and the wing blade cuts in both directions, sheering off a thin film of wax with every stroke, leaving a perfectly flat surface.

After replacing the wing blade with the boring bit, turn the reamer clockwise to enlarge the finger hole to the precise size with smooth inner walls. Has engraved lines that indicate various finger sizes. Also lets you create bezels for round stones or coin holders.