The largest of our 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 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.

Black Handle, Stonewash Blade, Plain Edge.