If you are looking for a popular knife that has been reengineered for perfection then it will be Spyderco Cara Cara2. This knife is extremely light in weight and has a black FRN combination edge. The blade of this knife is full flat ground and is sharpened in a way that has best cutting performance. This knife is known for its bi-directional FRN handle. This handle is able to offer superior grip and thus allowing the user an increased control. Also it has a back lock along with David Boye Dent.