This Protech TR-3 SB is a special edition with their brand new “Blue DLC” blade finish. We have a limited quantity of their first production in this unique finish; get yours before they’re gone! The Tactical Response 3 is one of Protech’s most popular knives with law enforcement and military year after year. Trusted by the most elite military on the planet, the TR-3 is a thoughtfully designed 3.5″ blade automatic knife that is slender and easy to carry. A wide variety of TR-3 variations are offered, and each is outfitted with a convenient lanyard hole and pocket clip.