Microtech Halo III OTF Automatic Knife Part Serrated Bead Blast Blade dated 09/97 Vero Beach, FL. The Halo III is a Single Action OTF Auto Fire and Manual Retract that is 9.3 inches overall open length with a 4 inch blade. It is the smaller version of the Halo V. The blade has the Microtech logo and is marked H.A.L.O. 1997 ALM 09/97 This knife is Brand New Old Stock and comes with the original paperwork and box as well as it's Kydex sheath (see additional picture) just released from our safe brought to you by the authentic Horizon Bladeworks 828-884-4302 horizonbladeworksales@gmail.com