MTech USA Ballistic MT-A845 Series Spring Assist Folding Knife, Black Blade, 5-Inch Closed Spring assist folding knife offers rapid one-handed deployment, locks securely into place with liner lock Black stainless steel blade with thumb stud for faster deployment Black aluminum handle with cut-out design Pocket Clip for easy and safe carry; seatbelt cutter and glass breaker for emergencies 5-inch closed length; 3.75-Inch blade length with 3.5 mm thickness