These top quality, high tech knives are equipped with the Tailwind speed assist opening mechanism which is extremely smooth, lightweight, and easy to use. The over-center cam/spring design holds the folder securely closed. When either of the dual thumb studs is rotated outward approximately 30 degrees, the Tailwind spring instantly rotates the blade to a full open and locked position. The ergonomic Teflon bushings at the blade pivot help make the action smooth and extremely fast. This knife includes a reversible pocket clip for easy carry. 3" bl. 7-5/8" overall.