Empty Blanks are used with KME or Hapstone knife sharpener to attach lapping films, leather, balsa or sharpening stone. The blank adds rigidity and increases the lifespan of the sharpening stone. Empty Blanks are made of high-quality 3 mm thick aluminum.
There are two ways to attach sharpening stones to empty blanks:
Avoid cyanoacrylate and dual-component epoxy adhesives.