This is the latest release by Microtech on 10/06, price is SOLD. It includes the new sheath instead of the Kydex which mars the knife's finish. The fuller (blood grooves) extend the top length of the blade. All black hardware and a very nice sheath that is heavy duty. The Tanto blade of the HALO III, provide the preference of blade style with the reliability of the HALO series. Its one handed, fast action open, has fired its way into the hands of thousands of military, law enforcement and government agents all over the world. Smooth lines, lightweight, and a deadly edge, provide you with a little more than just backup. H.A.L.O AUTOMATIC OPENING - OUT THE FRONT - PLUNGE LOCK ACTION: CONTINUOUS PROPULSION COMPRESSION SPRING BLADE: S30-V, .148 THICK, RC 58-59 BLADE LENGTH: 4.00 OVERALL LENGTH: 9.400 LENGTH CLOSED: 5.370 HANDLE: 6061-T6 ALUMINUM MIL-SPEC HARD COAT ANODIZE HANDLE THICKNESS: .420 WEIGHT: 4.5 OZ APPROXIMATELY A FORM 18 MAY BE REQUIRED IF YOU ARE NOT A MEMEBER OF USN.