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.Closed Length: 4.25"Blade Type: TantoBlade Length: 2.70"Oal: 6.90"Blade Material: 8Cr13MoV SSHandle Description: Black Textured w/Bottle OpenerWeight: 3.10 ozEdge Type: Part SerratedOpen Type: Slider Button