This is an original M9 Phrobis III Bayonet Knife with a full tang and over 5 inches blade length. The blade is made of stainless steel with a serrated edge and comes with a sheath for easy storage. The handle is made of plastic and the knife is a modern fixed blade, factory manufactured. This knife is perfect for combat and is a collectible item for those interested in collecting knives, swords, and blades. The Phrobis brand is known for its quality and durability, making this knife a reliable addition to any collection.