The illustrated Case Knife is the Sky Blue Bone (61549LSS) Case CopperLock Knife that features a locking clip blade made of Tru-Sharp surgical stainless steel with a nail nick for opening. The Crandall Jigged Sky Blue Bone handle of this Case knife, 4 1/4-inches closed, comes with a Case Nickel Silver Arrowhead inlay shield, nickel silver bolsters and a lockback. The Case CopperLock Knife weighs 2.8 ounces. Made in the USA.