The Demon slayer sword is 100% pure hand forged by using traditional heat-treated way, The blade is quenching, tempered and oil-quenched to achieve the best level of flexibility, and the hardness has reached 55 HRC Hand Forged Full Tang blade,Iron Tang ,The handle have 2 bamboo pegs fixed ,it will not fall off the handle in any situation,very safe to use The blade is made of 1045 carbon steel,red black blade is made of Electroplated process,and the blade are Hand Sharpened Sharpness can cut bamboo and tree. Overal Length;105cm/41in Blade Length;72cm/28in Tsuka Length;30cm/11.8in Blade width;3.2cm/1.26in Blade Thickness;0.7cm/0.28in Tsub(Handguard),Kashira,Fuch is made zinc alloy material,,Saya is made of hard wood with lacquer finished,,,Tsuka material is made hard wood wrapped Silk cord This is a hand-made sharp blade. It can be used not only as decoration, role-playing and collection, but also for self-defense. It's very cool.