EX0477BLK Extrema Ratio Mamba BlackThe Mamba is a full tang fixed blade with a 4. 5" Bohler N690 stainless tanto that holds an aggressive edge and resists corrosion in wet European climates. The black Forprene handle offers reliable grip in demanding conditions, while the integrated glass breaker adds utility for emergency situations. At 9. 25" overall, it sits between a mid size camp blade and a serious tactical tool, backed by a quality Kydex belt sheath for secure carry. Mamba. 9.