The Case XX USA Caribbean Blue Bone 2012 Full Size Doctor's Knife 6285ss is a collectible pocketknife made in the United States. This knife features a stainless steel blade with a plain edge and a manual opening mechanism. The handle is made of bone in a blue color, and it has a slipjoint lock type. With two blades, including a pen blade, this ambidextrous knife is a classic piece for any knife collector or enthusiast.