German Otter Brand Mercator Lockback with Copper handles. Features a 3.5" plain edge high carbon steel blade. Lockback design. Copper handles. Bail. 4.25" closed. Germany Note: The blade on this knife is High Carbon, not Stainless Steel. While high carbon blades are considered by many to be a superior steel for knives, it will tarnish and rust. Keep clean, dry and lightly oiled to help preserve the factory finish.