This is the longer, thicker 'wilderness' model of the popular ESEE-3 tactical knife. With its 5mm(1/5in.) thickness, full flat grind, rounded pommel, Micarta handles and light weight, it can serve as a primary backpacking and wilderness survival knife, or fitted to your modular system for duty carry in a tactical environment. ESEE-4's are packaged and shipped with a sheath instruction sheet and ESEE Survival Business Card. This sheath system is one of the most versatile systems in the industry.