The Case Swayback Jack Knife has a Wharncliffe blade and a pen blade with nail nicks for opening, and a swayback handle that is 3 3/16" long. Some Case Swayback Jack Knives have stainless steel blades; Swayback Jack Knives with carbon steel blades will be denoted as Chrome Vanadium steel. Each Case Swayback Jack Knife is proudly made in the USA.