The 31272 Case Smooth Black Synthetic (21749LSS) Mini CopperLock Knife features a locking clip blade made of Tru-Sharp Surgical steel with a nail nick for opening. The Smooth Black Synthetic handle, 3 5/8 inches closed, has the Case Quatrefoil shield, nickel silver bolsters and a lockback. The Case Mini CopperLock Knife weighs 2.0 ounces. Made in the USA.