Victory Knives XTB Sailor's Blade, Titanium Rope Knife with Titanium Sheath The XTB Sailor's Blade is the ultimate blade for the toughest marine environments and the first of its kind to use laser sintering 3D printing technology and a proprietary hardening process Will never rust - even the most dynamic stainless steel will eventually rust, titanium will not Secure locking/quick release sheath mechanism for function and convenience. Engineered sheath guide allows for left and right preference Ceramic PVD coating for added strength and edge holding Developed and manufactured in New Zealand for Emirates Team New Zealand's use in the 2013 America's Cup campaign and Victory Knives have a lifetime guarantee the knife that every sailor needs lightweight knife: 31 grams, sheath 34 grams compact knife &amp; sheath: 7in length, 1.5in width (at widest point of sheath) knife blade of 3in will not rust or corrode proven serration design, extremely hard and sharp average rockwell near surface hardness typically HRC 60 robust light sheath with secure locking mechanism lanyard hole and shackle spanner will not spark