The Ka-Bar TDI Law Plain Edge Knife is a weapon you'll want to have on you in extreme close quarters when you have nothing else left to apprehend the suspect. The Ka-Bar Knife is a sleek, compact knife, designed by John Benner, founder and owner of Tactical Defense Institute. The Ka-Bar TDI Law Enforcement Knife is the size of a credit card and can be concealed just about anywhere. Well-suited for law enforcement, you can easily pin it under a vest strap, hang it around your neck, tuck it in your belt or carry it in your wallet. This lightweight knife features a drop-point blade shape and a versatile black metal belt clip. The Ka-Bar TDI Law Plain Edge Knife includes a friction sheath to protect the blade.