The Oyabun incorporates a reinforced blade point a high satin polish expert heat treatment and the sharp edge Cold Steels reputation was founded upon. Furthermore it is equipped with an integral flipper for effortless opening and a leaf spring lock and safety. The 4034 stainless steel blade is housed in a strong economical handle thats reinforced with stainless steel liners. The handle is injection molded with a GrivEx foundation and then over molded with soft checkered KrayEx fastened to the frame with two robust bolts.