Description
The North Mountain Blade CHOP 4 (2412-PRCF) is a flagship front flipper folding knife that blends traditional Japanese metallurgy with modern minimalist design. Known for helping to pioneer the front flipper trend globally, this model has sold over 50,000 units in Asia, earning its legendary status among enthusiasts and collectors.
Its 3.5" Japanese-style tanto blade is forged from premium SLD-Magic Japanese steel in a San Mai three-layer construction, showcasing an elegant hamon wave pattern that highlights the craftsmanship. With a hardness of 60–61 HRC, the blade delivers exceptional edge retention, strength, and cutting performance, making it ideal for both precision tasks and hard use.
The purple ceramic carbon fiber handle scales give this variant a refined, distinctive aesthetic while remaining lightweight and strong. The front flipper mechanism, combined with ceramic ball bearings, ensures smooth, controlled, and fast blade deployment for effortless one-hand operation.
Every detail of the 2412-PRCF reflects clean, functional design with no unnecessary embellishment — a true representation of North Mountain Blade’s signature craftsmanship.
Key Features
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3.5" Japanese-style tanto blade crafted from SLD San Mai steel with a visible hamon line
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Front flipper action powered by ceramic bearings for smooth, fast deployment
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Purple ceramic carbon fiber handles — lightweight, durable, and striking
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Exceptional edge retention (60–61 HRC) and flat grind for superior cutting performance
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Clean, minimalist design that emphasizes function and craftsmanship
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Over 50,000 CHOP 4 units sold, solidifying its legendary reputation
Specifications
| Feature | Details |
|---|---|
| Brand | North Mountain Blade |
| Model Name | CHOP 4 |
| Model Number | 2412-PRCF |
| Product Type | Folding Knife |
| Opening Mechanism | Front Flipper |
| Overall Length | ≈ 8.25 in |
| Blade Length | 3.5 in |
| Blade Material | SLD-Magic San Mai Japanese Steel |
| Blade Style | Japanese-Style Tanto |
| Blade Grind | Flat |
| Blade Finish | Belt Satin with Hamon |
| Hardness | 60–61 HRC |
| Handle Material | Purple Ceramic Carbon Fiber |
| Locking Mechanism | Liner Lock |
| Pivot Assembly | Ceramic Ball Bearings |
| Clip Position | Tip-Up |
| Dexterity | Ambidextrous |
| Designer | North Mountain Blade Team |
| Country of Origin | China |
| Intended Use | EDC / Collection / Tactical |
Feature Highlights
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3.5" SLD San Mai tanto blade with traditional Japanese forging and visible hamon
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Front flipper mechanism ensures smooth one-handed deployment
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Purple ceramic carbon fiber handles offer lightweight strength and striking visuals
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Exceptional hardness (60–61 HRC) for edge retention and durability
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Minimalist design focused on pure performance and clean lines
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Legendary 2412 flagship model with over 50,000 units sold
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Ideal for collectors, enthusiasts, and serious EDC users