Balisong Red Devil Folding Butterfly Knife. This heavy duty butterfly knife just feels good in the palm of your hand. It has good weight with a double wall construction and built to last. The handle features, metallic red diamond cut mounts to give this beauty a little something extra. It also comes double pinned with a lock at the bottom for latching the handle closed. The blade has a black finish and is constructed from 440 stainless steel. Butterfly knives are especially useful in situations where it is inconvenient to use both hands to open a knife. Beautiful and dangerous this butterfly has it all including a FREE ABS holster! Overall Length: 8.86 Inches.