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Description
The Rockstead NEHAN-ZDP (MB) is a premium Japanese folding knife that merges traditional sword-making heritage with modern precision engineering. Completely redesigned from the 2007 original by custom knife maker Koji Hara, this luxury gentleman's folder features a mirror-polished ZDP189 steel blade with an astonishing HRc 67 hardness and signature HONZUKURI (convex) geometry for unparalleled edge retention. The "MB" designation highlights its exquisite Artificial Marble handle, meticulously crafted with hidden-screw construction and inspired by elegant Japanese kimono folds. Equipped with a smooth, rock-solid button lock system and an upgraded leather pocket-clip sheath, this ultra-lightweight (58g) pocket knife is a highly collectible masterpiece. Perfect for hard-core EDC enthusiasts seeking the pinnacle of luxury custom knives, exceptional sharpness, and legendary craftsmanship.
Key Features & Craftsmanship Highlights
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Unrivaled ZDP189 Steel & Mirror Finish: Forged from ultra-premium ZDP189 powder stainless steel, the blade achieves an astounding rockwell hardness of approx. 67 HRC. Complemented by Rockstead’s world-famous, flawless signature mirror-polish, this blade provides unparalleled edge retention and a razor-sharp, friction-free cut.
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Masterful HONZUKURI Blade Geometry: Featuring the iconic HONZUKURI (convex) zero-grind profile, the blade provides incredible structural strength, smoothness, and cutting performance. It is a geometry deeply rooted in the traditional design of Japanese swords.
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Seamless Floating Handle Architecture (No Visible Screws): A true innovation hidden within. Rockstead engineered an internal interlocking mechanism where the artificial marble scales are bonded to a heavy-duty titanium frame plate. No screws are visible on the exterior, preserving the flawless, unbroken harmony of the knife's profile.
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Poetic Japanese Aesthetic & Ergonimics: The breathtaking sculpted lines of the handle are inspired by the elegant folds of a traditional Japanese Kimono, allowing it to beautifully catch and dance in the light. To complete the organic motif, the dual thumb studs are masterfully shaped in the likeness of a delicate flower.
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Elite "Artificial Marble" Scale Construction: The NEHAN-ZDP (MB) variant features premium Artificial Marble, a high-end composite celebrated in luxury interior design. It delivers a gorgeous, stone-like aesthetic with an incredibly comfortable, solid, and warm in-hand feel.
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Ultra-Safe Button Lock Mechanism: Equipped with Rockstead's highly secure and smooth button (plunge) lock system—the same trusted mechanism used in the legendary SHU and RYO models—guaranteeing robust safety and a satisfying, hydraulic deployment.
ZDP189 Blade Introduction
ZDP-189 is a high-carbon, high-chromium powder metallurgy steel renowned for its extreme hardness, often exceeding 64 HRC, which delivers peerless edge retention and aggressive cutting performance. This performance comes at a cost; its massive carbide volume makes the steel notoriously difficult to sharpen and increases brittleness, posing a risk of chipping under heavy lateral impact. Furthermore, while technically stainless, its high carbon content necessitates diligent maintenance to prevent oxidation, making it a specialized choice for precision cutting tasks rather than rough, heavy-duty utility.
| Technical Specification | Data & Details |
| Brand & Origin | Rockstead (Handcrafted in Sakai, Japan) |
| Model Name | NEHAN-ZDP (MB) — Redesigned Edition |
| Designer | Koji Hara (World-Renowned Custom Knife Maker) |
| Blade Steel | ZDP189 Powder Metallurgy Stainless Steel |
| Blade Hardness | Around HRc 67 (Exceptional Edge Retention) |
| Blade Geometry & Finish | HONZUKURI (Convex Grind) / Flawless Mirror Polish |
| Dimensions | Full Length: 147mm / Blade Length: 65mm / Thickness: 2.5mm |
| Weight | Ultra-Lightweight 58g (2.04 oz) |
| Handle Material | Artificial Marble (MB) Scales with Internal Titanium Plates |
| Locking System | Button Lock Mechanism (No Externally Visible Screws) |
Frequently Asked Questions (FAQ)
Q1: What is the difference between Rockstead NEHAN Honzukuri and Shinogizukuri blades?
A: The NEHAN features the HONZUKURI (convex) grind, which is an advanced, rounded blade geometry inspired by traditional Japanese swords. It provides maximum structural strength and flawless cutting performance. In contrast, the SHINOGIZUKURI grind (found on models like the HIZEN or HIGO) features a distinct bevel line with a flat surface, optimized for slicing agility.
Q2: Does the Rockstead NEHAN-ZDP (MB) come with a pocket clip?
A: No, to maintain the flawless, screwless elegance of its "Kimono-fold" design, the handle does not have a pocket clip. Instead, every NEHAN-ZDP (MB) comes included with a genuine premium leather sheath equipped with a belt clip, allowing for sophisticated, protected, and comfortable everyday carry (EDC).
Q3: How do I maintain and sharpen the ZDP-189 mirror-polished blade?
A: Thanks to the ultra-hard ZDP189 steel (~67 HRC), the NEHAN retains its razor-sharp edge for an incredibly long time with proper use. For daily maintenance, simply wipe the blade clean and strobe it lightly on leather. Avoid using standard whetstones, as they will ruin the famous mirror finish. Once it finally requires sharpening, we highly recommend utilizing Rockstead’s official factory sharpening service to fully restore its original edge.
Why Choose the Rockstead NEHAN?
Because nothing out-cuts, out-lasts, or out-shines a Rockstead. Due to the extremely rigorous, time-consuming manual stropping and precision machining required, these knives are produced in highly limited numbers. Owning a Rockstead NEHAN means owning the ultimate synthesis of traditional Japanese artistry and modern engineering perfection.
Payment & Security
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Delivery and Shipping
In-stock orders will be shipped in 48 hours except weekend and holidays.
Pre-orders pls subject to the indicated Pre-order shipping dates.
From China warehouse: Estimated delivery in 15–21 business days