The ABKT Catalyst series with G10 textured handles and hard D2 steel blades are made tough and rugged for everyday use. The ABKT Catalyst is a reliable EDC with smooth-opening ball bearings for easy, safe opening and closing every time. The Catalyst is a great starting to knife to kick off your knife collection or a perfect addition for a seasoned collector. Closed: 4-1/2; Blade: 3-1/2 Green G10 textured handles. D2 black stonewashed blade. Ball bearing pivot system with linerlock. Black oxide coated pocket clip with reversible tip up design.