Tool with range of 10-25 degrees for measuring keenness angle of puukkos and knifes. Matrerial: plywood 1,5 mm.

How to use

Place blade in slot so that both sides of the blade fit perfectly. If not:

• Blade has smaller keenness angle if there is gap in the upper part of the slot.
• Blade has bigger keenness angle if there is gap in lower part of the slot.

This post is also available in fi.