Non permissive environments? No problem. Fly under the radar and stay strapped even when you can’t carry a gun. Black Triangle took the best features of their top-performing knives and put them into one product. It has the blade profile of the Donovan, tip strength of the Senka, & index point of the MK4. The S4 sheath is cut with a hook for pocket carry & comes clipped with a Raven Concealment IWB Overhook Strut. As all of our G10, S4 is a 100% metal-free system. Key Features Ergonomic handle Black Hemp Jute Wrap Index at pommel for confident draw Hooked sheath for IWB or pocket carry Black Triangle knives are designed for everyday carry (EDC). Our non-metallic G10 knives offer a covert solution for self-defense in non-permissive environments (NPE). Lightweight and durable, these tools are ideal for concealed carry when traditional options aren’t practical. Whether you’re traveling, at a concert, the gym, working in restricted areas, or just value low-profile gear, these lightweight knives provide reliable protection without drawing attention. Overall Length:7.25″ Blade Length:3.50″ Thickness:0.25″ Material:100% Metal Free G10 Warranty:100% Lifetime Guarantee
