This particular Taiwan made OTF Glass Breaker Knife is fully automatic. Just push on the black trigger on the spine of the handle and watch this blade in action. Just push the button backward to retract the blade into the handle. The handle features a black steel finish with six hex screws and finger grips on the spine. The handle also comes with a black sand paper grip inlay seamlessly through its groove. It also sports a black pocket clip for easy access when using. The end of the handle also sports a glass breaker for emergency get-a-ways or self-defense when the need arises. This Taiwan made Dual Action OTF Knife comes equipped with a durable black nylon pouch with Velcro adjustable belt loop and side release adjustable buckle, making it easy for access, especially when in dire situations. Overall Length: 8.5 inch, Blade Length: 3.5 inch REQUIRED FORM FOR SWITCHBLADES & AUTOMATIC KNIVES