- How do the two stages differ?
- The coarse stage reshapes a dull edge; the fine stage hones and polishes it. Use the coarse stage rarely and the fine stage for routine touch-ups.
- Does it work on serrated knives?
- No. It is made for straight-edge kitchen knives. Serrated blades need a different tool or a rod.
- Is it better than an electric sharpener?
- It gives more control and needs no power, but it takes more passes. Electric models are faster for very dull knives.
- How often should I sharpen?
- For home cooking, a few passes on the fine stage every few weeks keeps most knives usable. Use the coarse stage only when the edge is badly dull.
- Does it need water or oil?
- No. Use it dry and wipe the blades and rods clean after sharpening.
- Where is the Zwilling Twinsharp Duo Stainless Steel Knife Sharpener cheapest?
- At Best Buy, for $39.99, as of our latest check.
- Where can I buy the Zwilling Twinsharp Duo Stainless Steel Knife Sharpener?
- 3 stores we checked sell it, including The Home Depot, Best Buy, Lowe's.