These two swisstech knives come in a set. They are made from high quality stainless steel and coated with titanium to provide more pieces, edge retention and corrosion resistance for long-lasting durability. The handle is made of nylon fiber which provides good strength but incredible lightness. The knives are locked when the blade is out, this ensures that it does not flap during use. The blades of the knives are unlocked via the button on the side of the knife, making it easy to open and close. The knives are carefully tested and quality assured and therefore there is a lifetime warranty on this knife.