The TR-4 is the largest of the Pro-Tech Tactical Response Series, it offers a great multi purpose 4” blade, secondary slide safety, built in 416 hardened stainless steel glass breaker/lanyard loop 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.

This model features a battleworn feather textured grey anodized 6061-T6 aluminum handle. Stonwash finished CPM-Magnacut stainless steel drop point blade. Bead blast finished hardware and pocket clip for tip up carry.