Spyderco YoJumbo C253GPBBK 3.98" Wharncliffe CPM S30V DLC Blade

The Spyderco YoJumbo C253GPBBK delivers premium cutting performance in a robust folding knife platform designed for demanding applications. This oversized folder combines the precision of a Wharncliffe blade profile with advanced materials engineering to create a tool that excels in both utility and tactical scenarios.

What Makes This Different

The YoJumbo represents Spyderco's commitment to scaling proven designs without compromising functionality. The 3.98-inch blade length provides significant cutting capacity while maintaining the control characteristics that make Wharncliffe profiles ideal for precision work. The CPM S30V stainless steel construction offers superior edge retention compared to standard 440C or AUS-8 steels, maintaining sharpness through extended use cycles. Black DLC coating reduces friction and provides corrosion resistance in harsh environments.

Key Features

• 3.98-inch CPM S30V stainless steel blade with black DLC coating for enhanced durability
• Wharncliffe blade geometry optimizes cutting control for detailed work and utility tasks
• Black textured G10 handle scales provide secure grip in wet or gloved conditions
• Compression lock mechanism enables one-handed operation with ambidextrous functionality
• Four-position pocket clip allows tip-up or tip-down carry in left or right configurations
• Full flat grind maximizes cutting efficiency while maintaining blade strength
• Jimping on spine and choil enhances grip security during extended use

Field performance centers on the blade's ability to maintain a sharp edge through demanding cutting tasks. The Wharncliffe profile excels in applications requiring precise control, from breaking down cardboard to detailed carving work. CPM S30V steel composition resists chipping and rolling while holding a keen edge significantly longer than conventional stainless grades. The compression lock provides secure blade lockup under load while enabling rapid deployment when needed.

Technical Specs

• Overall Length: 9.23 inches
• Blade Length: 3.98 inches
• Closed Length: 5.25 inches
• Blade Steel: CPM S30V stainless with black DLC coating
• Handle Material: Black textured G10 scales
• Lock Type: Compression lock mechanism
• Weight: 5.8 ounces
• Blade Thickness: 0.157 inches
• Country of Origin: Taiwan
• Model Number: C253GPBBK

The YoJumbo C253GPBBK addresses the need for a large-format folding knife without sacrificing the refinement Spyderco builds into their designs. Professional users and serious collectors recognize the value proposition of premium materials combined with proven engineering. Limited production runs make availability unpredictable for those requiring this level of performance.