- First paddle sharpener with a combination of 4 flat panels and 1 round panel
- Cutting edges with the best manual/honing tool available today
- Use the 400 grit diamond panel to reshape worn/damaged edges or establish new bevel angles
- Progress through 500 and 500 grit diamonds to the non-diamond striated Hine panel
- Quattro Stick, like all Furi sharpeners, offers accuracy and ensures longevity with knives