Spyderco knives have been in production for over 35 years and have blazed a trail in the folding knife industry. Based out of Golden, Colorado Spyderco pioneered the first of many constants in the pocket knives world which include a serrations, the patented Spyderco thumb hole pull for one handed opening and the famous pocket clip seen on just about every folding knife today. When you grab hold of Spyderco Knives, you experience one of the most quality ergonomic, lightweight yet durable folders produced today. Spyderco Knives are some of the most sought after in the world.