KA-BAR Knives TDI Law Enforcement, Fixed Blade Knife, 2.313 Blade Length, 5.625 Overall Length, Drop Point, Serrated Edge, AUS 8A Steel, Matte Finish, Black, Zytel Handle, Includes Nylon Sheath 1481 In extreme close-quarter encounters where a suspect is attempting to take an officer's handgun" or an officer cannot access his or her handgun" the TDI knife is available as a last option knife. When worn on the pant belt the entire unit - knife and sheath - is well concealed. Designed by John Benner" founder and owner of Tactical Defense Institute. Features a fully serrated blade for cutting looped and synthetic materials. Hard plastic sheath and reversible black metal belt clip included.