The 337 boasts the latest in innovation and cutting edge materials. It offers Buck's brand new Shift Mechanism/ASAP® opening technology. The Shift Mechanism bolster lock not only provides a robust locking mechanism, but also provides a blade safety preventing the blade from accidentally opening. The 337 also utilizes a blade flipper for quick and easy one-hand deployment with the ASAP® assisted opening technology. With a blade of superior S30V stainless steel and a durable G-10 handle, this knife will quickly become an essential favorite.