Rockstead RYO H-ZDP Japanese Folding Knife 3.125" ZDP-189 Mirror Finish Blade, Blue Titanium Handles


Part #: RSRYOHZDPBL | Rockstead Knives
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The Rockstead RYO H-ZDP folding knife features a 3.125" ZDP-189 steel, mirror finish blade and DLC titanium handles. The opening action is incredibly smooth while the lock keeps the blade securely open. The RYO H-ZDP is the first Rockstead model with the conceal slip design. This allows to you to hide the pocket clip for more comfortable use and handling.

The mirror finish is achieved by heat treating the blade and gradually hand grinding through 400, 600, 800, 1,200 and 2,000 grit wet-dry sandpaper. This is very intense and time-consuming because if any scratches were to occur during this process, the blade must be sent back to the previous step for refinishing. Once this is complete, the blade will be buffed for the final finish. The folks at Rockstead have mastered this process to give the knife a beautiful finish and sharp edge like no other. Feels extremely comfortable and solid in the hand. Individually numbered.

With proper maintenance, Rocksteads are known to keep a sharp edge for 2-3 years. Rockstead Knives come with free sharpening and regrinding. You would be responsible for shipping charges to and from Japan.

Be sure to register your Rockstead Knife here.


  • Blade Length: 3.125"
  • Overall Length: 7.75"
  • Blade Material: ZDP-189
  • Blade Style: Sheepsfoot
  • Blade Grind: "Honzukuri" Convex
  • Blade Thickness: 0.13"
  • Blade Hardness: 67 HRC (approximate)
  • Handle Material: Titanium
  • Handle Coating: DLC (Diamond Like Coating)
  • Weight: 4.37 oz.
  • Made in Japan
Titanium Handles
Titanium Handles A nonferrous metal, it's prized for its high strength to weight ratio and is often used on higher end knives.
Made in Japan
Made in Japan The exotic steel Capital of the World, Japan produces and innovates some of the best products, from pocket to kitchen knives and everything in between.
Pocket Clip
Pocket Clip Includes a pocket clip for easy accessibility and a more secure carry.
ZDP-189 Steel
ZDP-189 Steel Has an extremely high carbon and chromium content allowing for exceptional sharpness and durability. With this hardness comes decreased corrosive properties.
Semi-Custom Semi-Custom or Mid-Tech knives are knives produced by a process in which the designer has more direct--but not complete--involvement; parts of these knives may still have been made by others.
Rockstead RYO H-ZDP Japanese Folding Knife 3.125" ZDP-189 Mirror Finish Blade, Blue Titanium Handlesrated 5.000 stars out of 5 (1 review)
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Rockstead RYO H-ZDP Japanese Folding Knife 3.125" ZDP-189 Mirror Finish Blade, Blue Titanium Handles
rated 5 stars out of 5
Las Vegas, Nv
Jun 06, 2018
Just received my RYO today, extremely nice, looks just like the Utube videos. A piece of jewelry. Smooth, great fit n finish, beautiful blade, razor sharp, unique blade design. Fits great in the hand and has a little heft to it. Is it overpriced? Yes, Do I love it?Yes. No regrets, a joy to own.


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