Features: Black PVD-finished drop point blade made from D2 tool steel. Thumb stud opener with a tritium lamp and a green dayglow ring. Black G-10 scales over black steel liners. Jimped liner lock with solid lock-up. Right-side, tip-up pocket clip for deep carry. Meet the Fermi by Glow Rhino, a pocket knife named after Enrico Fermi, known as "The Architect of the Nuclear Age." Strong but light, the Fermi is a revolutionary tritium knife, glowing in three places for easy location at night. The stealthy all-black design, featuring G-10 scales and a black PVD drop-point blade, comes in one of five thumb stud accent colors. The Fermi offers a distinctive look in the dark and excellent value for its price. If you want to learn more about tritium, look through our Tritium for EDC - The Beginner's Guide article. It's a pretty mazing material!