This Copper Mai blade was constructed with a 1084 core and 80crv2 cladding with shimmering copper sandwiched between. The billet used was made in our shop with high quality NTSJB high carbon steel. The is bolt on construction WITH epoxy. This unique blade will last you a lifetime and a half with unstoppable performance to boot. Order now with a custom Kydex sheath and a tin of our blade wax.