The illustrated Case Knife is the Limited Edition XXXVII Old Red 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 Barnboard Jigged Old Red Bone handle of this Case knife, 4 1/4" closed, comes with a Case Propeller Nickel Silver XX inlay shield, nickel silver bolsters and a lockback. The Case CopperLock Knife weighs 2.8 ounces. Made in the USA.