KABAR TDI Law Enforcement Serrated Fixed Blade Knife is manufactured from AUS8 stainless steel. The knife has a 3 11/16 inch serrated drop point fixed blade and full tang construction with black Zytel scales. The knife is all-black, making it easy to conceal and giving officers the element of surprise. Reversible black knife sheath is included. The 7-9/16 inch blade of this KABAR knife has a non reflective black powder coating and TDI logo. This knife has been designed by John Benner, who founded the Tactical Defense Institute.