Extrema Ratio Rao II Folder Expeditions N690 Locking Blade

The Extrema Ratio Rao II Expeditions is a rugged, purpose-built knife designed for serious outdoor use, tactical applications, and professional fieldwork. It combines a compact closed profile with a powerful drop-point blade and secure, field-ready features.

• Closed length: 5.75" (14.61 cm)
• Blade: 4.75" (12.07 cm) black MIL-C-13924 burnished Bohler N690 stainless steel, drop point
• Handle material: Tan aluminum for durability and lightweight handling
• Locking system: Dual safety locks the blade in the open position for a secure, fixed-blade feel
• Lanyard compatibility: Lanyard hole for quick retention or easy retrieval
• Maintenance included: 3" x 0.75" diamond sharpening tool for field-edge care
• Sheath: Black nylon MOLLE-compatible belt sheath for versatile carry
• Packaging: Boxed, ready for gifting or immediate use

Designed for expeditions, rugged outdoor tasks, and professional use, this knife offers confident one-handed access, a secure blade lock, and practical field maintenance options. The Bohler N690 blade combines edge retention with corrosion resistance, while the tan aluminum handle keeps weight manageable in demanding environments. The included diamond sharpener makes on-the-go touch-ups straightforward, and the MOLLE-compatible sheath ensures your gear stays within reach on packs, vests, or belts. This setup is ideal for campers, hikers, search-and-rescue personnel, and operators who need dependable performance without unnecessary frills.