YoJumbo CPM SPY27

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The Spyderco YoJumbo CPM SPY27 is a purpose-built high-performance folding knife that combines aggressive cutting power, advanced blade steel technology, and refined ergonomics. As the larger evolution of the highly popular Yojimbo 2, the YoJumbo delivers increased cutting capability, enhanced control, and exceptional versatility for EDC, tactical, and professional use. Its bold design and dramatic Wharncliffe blade profile make it a standout addition to any serious knife collection.

The deeply hollow-ground Wharncliffe blade is crafted from CPM SPY27 particle metallurgy stainless steel, offering an outstanding balance of edge retention, toughness, and corrosion resistance. Developed exclusively for Spyderco, this cobalt-enriched premium blade steel delivers reliable cutting performance for demanding daily tasks, tactical applications, and precision utility work. The aggressive blade geometry provides exceptional control and highly efficient slicing and push-cutting capability. Spyderco’s fully accessible signature opening feature enables fast, fully ambidextrous one-handed deployment.

To maximize strength while minimizing weight, the YoJumbo features skeletonized stainless steel liners combined with Spyderco’s proven Compression Lock mechanism, ensuring secure lockup and smooth operation. The ergonomic G10 handle scales feature a coarse peel-ply texture for enhanced grip and proudly display the distinctive cobalt blue color associated with Spyderco’s CPM SPY27 family. The open-backed handle construction also improves cleaning and reduces overall carry weight.

The versatile four-position pocket clip supports left- or right-side carry in both tip-up and tip-down configurations for maximum carry flexibility. Combining modern particle metallurgy steel technology, exceptional ergonomics, and powerful cutting performance, the Spyderco YoJumbo CPM SPY27 is an elite premium folder for EDC enthusiasts, tactical users, and professional knife collectors.

Warning and safety information:
Cut injuries: The most common danger when using knives is the risk of cuts. Sharp blades can quickly penetrate skin and tissue.
Slipping of the knife: Improper or excessive pressure can cause the knife to slip, resulting in uncontrolled movements that can cause injuries.
Injuries due to falls: Knives should never be left unsecured or near table edges to prevent them from falling and injuring someone.
Blunt knives: Blunt knives pose a greater risk of injury as they require more force and can slip more easily. Knives should therefore be properly sharpened regularly.
Improper use: Using a knife for tasks for which it is not intended (e.g. as a lever tool) can not only damage the blade, but also lead to accidents.

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Spyderco

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In 1981 Sal Glesser and his wife Gail revolutionized the knife industry. In the small town of Golden, not far from Colorado's capital Denver, they founded the now world-famous knife brand Spyderco. Today, Spyderco is still a true pioneer, constantly developing and testing new materials and mechanisms. Over the years, Spyderco has been able to make a name for itself worldwide as an innovative manufacturer of high-quality pocket knives and fixed knives and is now a supplier to numerous police and military forces around the world. For the precise production of the knives, modern high-quality materials are used. Low manufacturing tolerances and high demands on their own work thus inevitably lead to absolutely reliable and practical knives that will not be compromised even under tough conditions.

Manufacturer information:
Spyderco, Inc.
820 Spyderco Way, Golden, CO 80403-8053, USA
Web: www.spyderco.com
E-Mail: customerservice@spyderco.com
Phone: +1 303-279-8383

Person/company responsible within the EU:
Heinr. Böker Baumwerk GmbH
Schützenstr. 30, 42659 Solingen, Germany
Web: www.boker.de/en
E-Mail: info@boker.de
Phone: +49 212 40120

In 1981 Sal Glesser and his wife Gail revolutionized the knife industry. In the small town of Golden, not far from Colorado's capital Denver, they founded the now world-famous knife brand... more

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