The CK Battle Shark Butterfly Knife boasts an all-steel handle, expertly crafted with precision CNC machining and finished with a vacuum titanium coating. Its copper ring steel bearings ensure exceptionally smooth rotation. You can choose between a sharpened or unsharpened blade to meet your specific needs. The blade, made from 14C28N steel, features a stepped pattern and a brushed finish, achieved through precise CNC engraving.