Spyderco YoJumbo

View all Spyderco Reveal 21 Knives The Spyderco YoJumbo Folding Pocket Knife , designed by Michael Janich, is an enlarged and refined evolution of the Yojimbo™ 2. Increased by more than 20% in size, it delivers improved ergonomics for a wider range of hand sizes while preserving the aggressive, performance-driven design language of the original. Built for tactical use and precision cutting, the YoJumbo focuses on control, strength, and rapid deployment. At its core is a deeply hollow-ground Wharncliffe blade made from CPM® SPY27® steel , a proprietary cobalt-enriched particle metallurgy stainless steel exclusive to Spyderco. This advanced steel offers an excellent balance of toughness, edge retention, and corrosion resistance. The blade features a fully accessible Trademark Round Hole™ , enabling fast, ambidextrous, one-handed opening for reliable deployment in any situation. The handle is constructed with skeletonized stainless steel liners nested within coarse peel-ply textured G-10 scales , providing high strength and a secure grip under demanding conditions. The design is finished in Spyderco’s signature cobalt blue aesthetic for instant recognition. A robust Compression Lock mechanism ensures secure blade lockup while allowing smooth one-handed operation. Spyderco C253GPCBL YoJumbo Key Features CPM® SPY27® blade steel — exclusive Spyderco alloy with excellent toughness and corrosion resistance Wharncliffe blade design — precise slicing and controlled cutting performance Deep hollow grind — enhanced slicing efficiency Trademark Round Hole™ — fast, ambidextrous one-handed opening Compression Lock — secure and reliable locking mechanism Skeletonized stainless steel liners — strength with reduced weight G-10 handle with peel-ply texture — secure, high-traction grip Four-position pocket clip — fully ambidextrous carry options

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