The Warn 538SBK has recently become one of our best sellers. Its assisted opening mechanism, coupled with the sleek, ambidextrous Axis Lock design gives the knife an "easy-to-operate" feel, that has quickly become very popular. The D2 steel is extra-hard, and puts to shame most other knife steels. The Tanto-styled tip increases the durability of the tip. And the serration and black coating on this model makes it perfect for the serious user under the toughest conditions, as well as the casual owner who can use this fine knife to easily impress friends.