Single Blade Lockback Knife with 3 additional blades that can be exchanged. 5 inches closed. 8-1/2 inches open. Made in USA. "CASE XX USA X*X CHANGER x " (with lightning bolt S) tang stamp. Stainless Steel blade. Rosewood handle. Brass bolsters. Front left bolster etched with long C "Case". Brass liner. With extra blades, original box, leather sheath, and paperwork (including XX Changer manual).