The Zero Tolerance 0770 is a folding knife that opens with assistance. It offers the same style and performance as the highly acclaimed Zero Tolerance 0777, but in a more compact and sleek design. The blade is made of high-quality stainless steel, ensuring a sharp edge, impressive durability, and excellent edge retention. Zero Tolerance Spring Assisted Knives deliver the exceptional quality you would expect, with a quick and smooth spring-assisted opening mechanism.