This is the Black Marine Knife Miniature Letter Opener Serrated Replica With Chain. The blade of the knife has been constructed from 440 black Stainless Steel with a tanto point and blood grove. A steel plate has been added to the sheath that reads Honor, Courage, and Commitment. Additional Details ------------------------------ Product description: This is the Black Marine Knife Miniature Letter Opener Serrated Replica With Chain. The blade of the knife has been constructed from 440 black Stainless Steel with a tanto point and blood grove. A steel plate has been added to the sheath that reads Honor, Courage, and Commitment.