Introducing the Case 08682 Caribbean Blue Bone (6159LSSM) Hammerhead Knife. This knife features a locking clip blade made of Tru-Sharp surgical steel with a mirror polished finish and a french nail nick for opening. The genuine smooth Caribbean Blue Bone handle, 5-inches closed, has an etching of a Swordfish on the show side and brass bolsters. This Case Hammerhead knife weighs 7.5 ounces and comes with a leather sheath. Discontinued item, BNIB; made in the USA in 2007.