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Description
RYO H-ZDP (BL)
| Full length | 196mm |
|---|---|
| Blade length | 80mm |
| Total weight | 124g |
| Blade thickness | 3.2mm |
| Blade material | ZDP189 |
| Blade hardness | Around 67 HRc |
| Handle material | titanium |
| Handle coloring | DLC-Prism |
This blade outline is image of the "HIGONOKAMI" which reprecent knife in Japan. And, blade shape is convex (HONZUKURI).
It is very easy to use and cuts well. This handle material is titanium and blade material is ZDP189.
The greatest feature of this knife which is movable clip system that called "Concealed clip system". We have originally produced the concealed clip system to eliminates the uncomfortable feeling of the "clip feel" when gripped the handle. However, it turns out that a part of the mechanism of this "concealed clip system" conflicts with US patent Nos. 8,112,894 and 8,783,141.
We have bee licenced to use the US patents after negotiations with Mr. Joseph Caswell, the US patent owner.
This model RYO H-ZDP DP is almost the same as original RYO. The difference is in the handle coating which is DLC-Prism coating.
The process is the same like for DLC coating, but some moments are different. The oven is heated to 400 degrees Celsius, making the surface hardness close to a diamond, approximately Hv3000. The thickness of the coating is just 0.3 Microns. Also we use this special coating to the titanium handle of the knife, with the reason - this coating color has beautiful gradation.
Please notice: The coating color will be a little bit different for each handle.
(NOTE)
Titanium coloring reacts to oil, so even if the color of the handle changes, there is no problem on the product. When wiping it with alcohol or neutral detergent attached to the tissue, it becomes the original bright color.