The largest of Protech’s Tactical Response Series. The TR-4 offers a great multi-purpose 4″ blade, secondary slide safety, built-in 416 hardened stainless steel glass breaker at the butt end, and the superior coil spring action Pro-Tech is famous for.
Originally designed to fulfill a specific US military requirement, the TR-4 has proven to be a perfect choice for anyone looking for a full-sized, options-packed automatic folder.
While most TR-4 feature 154-CM blades, Protech will run some TR-4 with CPM-D2 steel from time to time. Check with your local dealer for info on TR-4 models in stock.
Black handle with “feather texture” Blade is CPM-D2 with DLC Black coating ALL BLACK hardware, Plain Edge.