KA-BAR Knives TDI Law Enforcement, Fixed Blade Knife, 2.313 Blade Length, 5.625 Overall Length, Drop Point, Nylon Sheath, Plain Edge, AUS 8A Steel, Matte Finish, Black, Black Zytel Handle, Plain Edge 1480 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. Hard plastic sheath and reversible black metal belt clip included.