Benchmade offers several spring assisted knives, but none as popular as their Barrage 580S. This knife comes equipped with a satin partially serrated 154CM steel blade. The contoured Valox handle will fit comfortably in your hand. To deploy the blade just simply flick the thumb stud. This knife comes with a reversible pocket clip for easy carry. The Barrage? is the first to feature the AXIS? Assist. They offer quick, one-handed opening and can be operated equally with either hand.?