SOG Trident AT Blackout Folding Knife

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Complete The Look

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

Built for Professionals
Trident AT is a modern update based on the feedback from professional users, made to hold up in the harshest conditions, balancing purposeful design with heavy-duty performance and reliability.

Made for Performance
As the latest update to SOG's proven Trident design, the latest version is optimized to enhance the user's capabilities in any critical situation, Trident AT fast open is only matched by its ability to support emergency rescue in critical situations.

Purposeful Design
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 as 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.


  • Overall Length: 9.03"
  • Closed Length: 5.33"
  • Blade Length: 3.7"
  • Product Weight: 5.15 oz.
  • Blade Steel Type: Cryo D2
  • Blade Thickness: 0.12"
  • Handle Material: GRN
  • Handle Color: Blackout
  • Accent Color: Black
  • Features: Lanyard Loop, Line Cutter, Glass Breaker
  • Finish: Titanium Nitride
  • Locking Mechanism: AT-XR
  • Safety: Ambidextrous Spine-Mounted Safety
  • Opening Mechanism: Assisted Thumb Stud
  • Blade Shape: Clip Point
  • Edge Type: Straight
  • Country Of Origin: Taiwan