This manual Amphibian knife by Microtech features the innovative Ram-Lok crossbar lock which is ambidextrous with ergonomic X-Buttons. It has a reversible pocket clip for left- and right-hand use, with handle options including aluminum, G-10, carbon fiber, or titanium. The blade is made of Bohler M390MK steel, offering excellent sharpness retention. The knife is known for its sophisticated design and utility, making it a top choice for EDC needs. This big, overbuilt folder will outlast you.