SE KFD703-1BK 6.5" Black Tanto Neck Knife with 2-IN-1 Whistle/Sheath and Lanyard Overall length with whistle sheath: 7.5; Knife length: 6.5 Blade shape: tanto with weight reduction cut-out blade design Black ABS handle with lightweight cut-out design Serrated thumb grip and finger choil 2-in-1 whistle/sheath with lanyard