3-in-1 Manual Walnut Knife Sharpener – Diamond & Ceramic Pull-Through System

A simple, effective way to keep your knives sharp—without the learning curve.

This Xinzuo 3-stage sharpener uses diamond grinding and ceramic polishing to bring dull knives back fast. No stones, no angles to figure out—just a steady pull-through system that works.

Compact, solid 1-piece walnut construction with a non-slip base for stability. Easy to use, easy to keep on your counter.

Rob note: I’ve tried a number of manual sharpeners over the years, and honestly, most of them are just okay to horrible. I really like the solid wood versus plastic. You can leave it standing up or lying down on your counter, and it looks great!

When Xinzuo came out with this one, I figured it was worth a look. They build quality Damascus knives, so I had a feeling they might do something different here—and they did.

The diamond and ceramic system is noticeably smoother on the blade than others I’ve used. It doesn’t feel rough or grabby when you’re pulling the knife through.

I tested it on a knife from my own kitchen that was past due—it wouldn’t cut paper (or tomatoes) anymore, just tore at it. In about five minutes, I had it back to cleanly slicing paper and ready for tomatoes again.

It’s simple, it’s quick, and it works.

WHO THIS IS FOR

Good fit if you want:

• Fast, easy sharpening
• No learning curve
• A simple pull-through that works

Not ideal if you want:

• The absolute best possible edge
• Full control like whetstones

Quick note:

This sharpener works great—but it won’t match a whetstone. Stones can give a better edge, but they take time and practice. Most people just want quick, reliable results, and that’s exactly what this is built for.

• Product Details
• Specifications
• Usage Notes

• Simple, Fast Edge Restoration

  Quick touch-ups or restoring a dull knife without a full sharpening session.

  3-Stage Diamond & Ceramic System

  • Slot 1: 360 grit diamond (coarse – reshapes edge)
  • Slot 2: 600 grit diamond (fine – refines edge)
  • Slot 3: 1200 grit ceramic (polish – finishes edge)

  Solid Walnut Construction

  Black walnut body with aluminum side panels for strength and a clean look.

  Stable & Safe

  Wide silicone anti-slip base keeps it firmly in place.

  Beginner Friendly

  No technique needed—just steady strokes and light pressure.

  Compact & Giftable

  Small footprint, easy to clean, comes in a gift box.

• SKU: (20251)

  Brand: Xinzuo

  Product Type: 3-stage pull-through knife sharpener

  Dimensions:

  • Length: 7.76 inches
  • Depth: 1.65 inches
  • Height: 1.65 inches
  • Weight: Approx. 9 ounces

  Materials:

  • Body: Black walnut wood
  • End Caps: Aluminum alloy
  • Base: Silicone anti-slip pad
  • Sharpening slots: Diamond (360 / 600 grit) + Ceramic (1200 grit)

  Sharpening Stages:

  • 360 grit (coarse)
  • 600 grit (fine)
  • 1200 grit ceramic (polish)

  Packaging:

  • Gift box included
• • Not suitable for serrated knives, axes, swords, heavily damaged blades, or heavy butcher tools
  • Use steady strokes with moderate pressure
  • Avoid side-to-side movement
  • Ceramic wheel may darken over time—this is normal