Case XX USA Amazing Custom Smooth Antique Bone Mini Copperlock Knife. Beautiful antique bone handles with Engraved Nickel Silver Bolsters. 3 5/8″ closed. Tru-sharp Stainless steel blade. Comes brand new in Case XX Jewel Box. Add a touch of class and uniqueness to your knife collection. This knife is sure to be the envy of your friends and the center piece of your Case knife collection! Absolutely beautiful knife!