Thirty years ago, Spyderco literally invented the tactical folding knife by pioneering groundbreaking features like the pocket clip, serrated edge and one-handed opening capability. Those innovations revolutionized the folding knife and changed the knife industry forever. Today we continue to lead from the front through the use of specialized blade steels, high-tech materials and uncompromising quality standards. Spyderco--the tools of choice of countless armed professionals, first responders and concerned civilians. Find out why "Those who know carry Spyderco." GSA Contract Holder.