The Cold Steel CS-21TTL Tri-Ad Lock Talwar knife features a 4-inch satin finished blade and a Tri-Ad lock mechanism. The blade is made of Japanese AUS-10A steel, which is known for its toughness and edge retention. The handle is made of G-10, a high-strength fiberglass laminate that provides a comfortable and secure grip. The knife also features a reversible pocket clip for convenient carrying.