Beautiful in design and handcrafted in forged steel. The Ancient Chinese used the Butterfly knives as a double short length sword with a unique handle to catch the longer swords in between it's handle. Made of forged steel with a very light bendable blade used for demonstrations and competition. Blade is un-sharpened with a length of 13.5". Both knives weigh a total of 3 lbs. Length and weight may vary. Sold as pair.