TAC Force TF-719BK Assisted Opening Folding Tactical Knife 4.5-Inch Closed, Black Blade, Black Handle Spring assist folding knife offers rapid one-handed deployment, locks securely into place with liner lock 3.25-inch, 3 mm thick black drop point stainless steel blade; black aluminum handle Pocket clip for easy and safe carry; includes glass breaker and seat belt cutter Measures 4.5 inches closed