Features: Black finished drop point blade made of Bohler N690 steel. Flipper and thumb stud openers with bronze washers. Contoured milled black anodized aluminum handle. Liner lock mechanism with secondary safety lock. Tip-up deep-carry pocket clip with glass breaker. Description: The Extrema Ratio MF1 liner lock knife is a robust folding knife with Bohler N690 steel and anodized aluminum handles. Black aluminum handles are comfortable in hand provide excellent grip on the knife. Carry the MF1 discreetly with the deep carry stainless steel pocket clip. Extrema Ratio Knives are tough, purpose-built tactical knives that come in all shapes and sizes.