The Benchmade Full Immunity Folding Knife offers compact utility and ease of concealment, featuring a sub-2.5-inch CPM-M4 Wharncliffe blade with a Cobalt Black Cerakote finish, offering superior edge retention and strength. The blade tapers to an ultra-fine point and is 0.09 inches thick, with a hardness of 62-64 HRC. The knife has a manual opening mechanism with thumb studs and pivot washers, and a Crossbar Lock for secure locking. The 3.5" Crater Blue anodized aluminum handle scales are durable, and the steel frame/liner adds rigidity, with a weight of just 2.37 oz. The knife is designed for right/left-hand tip-up carry, and the included lanyard speeds up retrieval from the pocket. The Full Immunity is made in the USA and comes with model number 290BK.