KA-BAR TDI LDK (LAST DITCH KNIFE) Law Enforcement Black 5-1478BP-4

With an overall profile about the size of a credit card, this knife can be concealed just about anywhere. Pin it under a tactical vest strap, hang it around the neck, or carry it in a wallet. This backup knife is intended to be readily available as your "Last Ditch" attempt at defense when all other weapons have been removed.