Designed for professional users, Trident AT features rapid assisted opening with SOG’s innovative ambidextrous AT-XR Lock, as well as an 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 a spine-mounted safety system. The next evolution of the field-proven Trident. Every element of Trident AT has been developed for extreme or emergency situations — including fast blade open, line cutter, and glass breaker — all seamlessly integrated with a high-grip textured and durable handle. AT-XR LOCK SOG's patented Assisted Technology (AT) XR Lock, delivers fast, one-handed open and solid lock-up once open. Reliable and powerful, able to withstand 1500 pounds of force, AT-XR Lock provides the ultimate built-in blade locking security when open and ensures it only opens when intended. SAFETY 2.0 SOG worked with users to develop an ambidextrous safety that is as easy as it is fast to use. Designed to be intuitive and utilize natural hand movements, it means you don’t have to break your grip to operate it. Once open, it locks in place due to a thumb backstop. Everything a safety should be. CRYO D2 STEEL BLADE A versatile high-carbon tool steel that is cryogenically heat-treated to SOG’s unique performance specifications. D2 provides the ideal combination of edge retention and durability for long term use with ease of maintenance.