The Microtech L.U.D.T. Side Action Automatic knife is overall open length 8.63", 4.60" closed with a blade length of 3.4". 3.6 oz. This Automatic Side opening Folder comes with textured black anodized aluminum front and a tip up pocket clip. These automatic knives were the original designs for Large Underwater Demotion Team Knife and are back in a new Microtech release.