Kubey KB256E folding knife blue titanium AUS10 bladeKubey Xuan Juan KB256E folding knife blue titanium AUS10 blade (snail trails on flats) The Kubey Tactical Folding Pocket Knife KB256 is made with a 3. 54 inch, hard AUS 10 stainless steel blade sharp out of the box, also known for excellent rust resistance and edge retention. The handle CNC titanium handle sits comfortably in the hand with an enhanced strength and durability, for great control, safety and performance, especially in wet and cold