Brass Habaki Alloy Collar for Japanese Samurai Katana Sword Blade Material: Brass Small Than Normal Habaki Locking The Tsuba (Guard) In Place, And To Maintain The Weapon In Its Saya (Scabbard) Diy Swords, Ideal For Swords Inside Width: 2.2cm / 0.87'' Inside Height: 0.7cm / 0.28''