With its 420HC Steel blade the Spitfire Knife has the wear resistance of high carbon alloys while delivering the corrosion resistance of chromium stainless steels. Heat-treated with Buck's exclusive process giving you a very user-friendly combination of superior corrosion resistance with excellent strength for wear resistance and durability. It also means the blade is easy to resharpen. For best performance it is hardened to a Rockwell hardness of Rc 58.
For Buck's, making knives is a family affair, and it has been for four generations.