The Interstellars blade slides out-the-front with a manual button mechanism. The sliding button lock is safe, reliable and easy to use. It's complete with a four-finger grip for work tasks; partially serrated, tanto blade; a practical bottle opener integrated into the backspacer; 8Cr13MoV blade takes a sharp edge and is easy to re-sharpen when needed and BlackWash finish helps hide use scratches. Includes pocket clip.