The Master Cutlery Balisong Trainer Black is a knife designed for training purposes. It has a 4-inch stainless steel blade that is intentionally unsharpened for safety. The blade has a sleek black coated finish. The handles of the knife are also made of black coated stainless steel and have cutouts to reduce weight. The knife is equipped with a latch lock mechanism. When closed, it measures 4.25 inches in length.