he next evolution of the field-proven Trident pocket knife. Designed for professional users A folding knife designed for professional users, Trident AT features rapid assisted opening with SOG*s innovative ambidextrous AT-XR Lock, as well as integrated line cutter and glass breaker. Trident AT is easy to carry, with a highly functional 3.75 cryogenically heat-treated D2 stainless steel blade. Its powerful AT-XR locking mechanism also features built-in blade locking safety and spine-mounted safety system. The next evolution of the field-proven Trident pocket knife.