Heavy Battle Field Green Butterfly Knife Tanto Dagger. The stainless steel blade has a stone wash finish in a spear point style and single edged. The handle is double walled with a durable steel frame. The outer mounts consist of steel uppers and marbleized green and hints of blue ABS downers. Also known as a balisong, a butterfly knife is a folding pocket knife with two handles counter-rotating around the tang such that, when closed, the blade is concealed within grooves in the handles. Featured at the end of the bite handle is a safety latch. Overall Length: 8.75 Inches.