This Custom TR-4 Tactical Response knife features a two-tone 416 stainless steel frame with brushed satin faces front and back and bead blast finished edges and recesses. The firing button has a polished G-10 insert. The 154-CM stainless steel blade has a plain cutting edge and is DLC black finished, as is the steel glass breaker spacer and tip-up pocket clip. The TR-4 has a sliding safety and semi-open frame design.