Al Mar SERE AM-AS4 S30V Automatic Knife Satin Combo Blade. The overall open length is 8.375 inches with a blade length of 3.5 inches and comes with a spear point part serrated satin finish blade. The handle is 4.8 inches and is made of Machined Aircraft-grade Aluminum and comes with a deep carry black stainless steel pocket clip. It weighs in at 5.1 ounces.