KA-BAR Knives Tdi Investigator Black 5in. 71 inches and an overall length of 5 inches. The blade width is 1.25 inches and thickness is 0.12 inches. The handle is of nylon/fiberglass and the blade is stamped KA-BAR/TDI. The grind is hollow and HRC is 57-59. Sheath is made of hard plastic - MOLLE compatible. Specifications for KA-BAR Knives Tdi Investigator: Manufacturer: KA-BAR Knives Blade Length: 2.71 in Overall Length: 5 in Blade Shape: Drop Point Blade Material: AUS-8A Serrated: Non-serrated Included Accessories: Sheath Included Handle Material: Nylon Blade Finish: Darkened Handle Color: Black Handle Finish: Fiberglass Sheath Material: Polymer Package Type: Box Color: Black Last Chance: Yes Package Contents: KA-BAR Knives Tdi Investigator KA-BAR Knives 1493: Tdi Investigator Black 5in