The Zero Tolerance 0630 Emerson Knife Black G-10 Satin Plain Edge ZT folder is a collaboration between Zero Tolerance and Emerson Knives. This knife features the famous Emerson "wave shaped opening feature." The wave feature is designed so that the blade can be deployed as the knife is withdrawn from the pocket so it's ready for use instantly. The CQC-8 Bowie style blade is satin/stonewash finished S35VN stainless steel. Lockup is secure with a solid titanium frame lock with a hardened steel insert.