

Product Description
The Spyderco YoJumbo is a large-format folding knife designed by Michael Janich, building on the acclaimed Yojimbo 2 platform with a profile scaled up by more than 20 percent and refined ergonomics for a broader range of hand sizes. This version features a 3.98-inch plain edge Wharncliffe blade crafted from Spyderco's proprietary CPM SPY27 stainless steel, a cobalt-enriched particle metallurgy steel known for its strong balance of toughness, edge retention, and corrosion resistance. The blade is deeply hollow ground for efficient cutting performance and includes Spyderco's Trademark Round Hole for fast, fully ambidextrous one-handed opening.
The open-backed handle combines skeletonized stainless steel liners with cobalt blue peel-ply-textured G-10 scales for a durable, lightweight grip. A high-strength Compression Lock delivers secure lockup during use, while the four-position pocket clip allows customizable tip-up or tip-down carry on either side. With its bold design, premium steel, and practical carry options, the YoJumbo is an excellent choice for users seeking a high-performance tactical and everyday carry folding knife.
Product Highlights
- 3.98-inch plain edge Wharncliffe blade offers strong tip control and precise cutting performance.
- Exclusive CPM SPY27 blade steel provides an excellent mix of edge retention, toughness, and corrosion resistance.
- Deep hollow grind enhances slicing ability for everyday tasks and tactical applications.
- Cobalt blue G-10 handle scales with skeletonized stainless steel liners deliver strength with reduced weight.
- Compression Lock, ambidextrous round hole opener, and four-position pocket clip support secure and versatile carry.
Specs
- Product Type: Folding Knife
- Designer: Michael Janich
- Blade Length: 3.98 in
- Blade Edge: Plain
- Blade Style: Wharncliffe
- Blade Grind: Hollow Grind
- Blade Steel: CPM SPY27 stainless steel
- Blade Finish: Satin
- Opening Method: Trademark Round Hole, one-hand ambidextrous opening
- Lock Type: Compression Lock
- Handle Material: G-10
- Handle Color: Cobalt Blue
- Liners: Skeletonized stainless steel
- Pocket Clip: Four-position, tip-up or tip-down, left or right carry
- Weight: 5.29 oz
- UPC: 716104018581
- MPN: C253GPCBL
- Brand: Spyderco
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