Microtech Metalmark Balisong - 5" closed 3-3/4" blade. Aluminum handle with spring assisted thumb latch, asymmetrical handle for improved grip, and unique ceramic pivot bearing system. Knife is designed to conceal the blade in the handle, but open smoothly and quickly. Drawstring nylon storage pouch. Blue Ridge Knives' Exclusives. Standard edge 154CM stainless blade with stonewash finish. Zombie green finish handles.