If you’re a butterfly knife lover, you must have Bear’s Aircraft Aluminum Carbon Fiber Butterfly Knife. Yes, that’s right! The handles are made from strong and durable aircraft material. To make it even stronger and more impressive, it has a 3 3/8” Damascus steel blade. This knife is 5 3/2” closed. 3 3/8” Damascus steel blade Aircraft aluminum carbon fiber handle 5 3/8” closed