New model hot-selling market [product name] embroidered spring knife-wave sword top [blade material]: hand-forged extreme manganese steel. Special flame burning blue baking process [accessories]: alloy total length: 114cm side length: 72cm side length: 27cm side length: 3.8cm (widest part) side thickness: 0.5cm total weight: 1.3kg left and right [handle material]: gold rope winding [jacket material]: Dragon leather jacket design (exclusive leather decoration) [suitable for collection and self-protection lovers distribution, home gifts.Martial arts fitness, exquisite furniture [performance]: extremely sharp, easy to sweep water and drain. Its toughness can reach 90 degrees. It's like cutting iron and cutting vegetables. [technology]: it is handmade by dozens of ancient Longquan methods, such as hammering, hot forging, shovel, archiving, grinding, heat treatment (quenching) tempering, primary repair, dressing, etc.