SOG Trident Assisted Opening Knife (3.75" Black Serr) TF-1

MSRP: $114.00
Our Price: $77.95
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Item #BHQ-0958


  • Overall Length:8.50"
  • Blade Length:3.75"
  • Cutting Edge:3.50"
  • Blade Thickness:0.13"
  • Blade Material:AUS-8
  • Hardness:57-58 RC
  • Blade Style:Clip Point
  • Blade Grind:Flat
  • Finish:Black
  • Edge Type:Plain
  • Handle Length:4.75"
  • Handle Material:FRN
  • Color:Black
  • Frame/Liner:Stainless Steel
  • Weight:3.60 oz.
  • Knife Type:Spring Assisted
  • Opener:Thumb Stud
  • Lock Type:Liner Lock
  • Brand:SOG
  • Model:Trident
  • Model Number:TF-1
  • Best Use:Tactical
  • Country of Origin:Japan
  • Product Type:Knife


The SOG Trident (TF-1) has a black TiNi finished blade with a partially serrated edge. The handle is black glass reinforced nylon (GRN).

The Trident knife features a patent pending Groove™ in the handle, which allows the operator to cut paracord, fishing line, etc. without having to open the blade or risk puncturing anything in the process. The handle also includes a Digi-Grip™ variable pattern for coarser grip and notches along the edges in areas that require it. The bayonet style clip is easily switched for right/left hand carry or removed for pouch storage.

SOG's Trident series uses the SOG Assisted Technology (S.A.T.) to quickly propel the blade open with a push of the thumb stud. SOG's patent pending Arc-Actuator helps the Trident to lock up stronger and release easier. On the face of the handle is a built-in safety to lock the blade closed.


Customer Reviews

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Cool knife
Tyler K.
This knife certainly looks cool but the handle feels cheap and the “seat belt cutter” is a joke. This is definitely a “tactical” knife and honestly I was not very impressed considering how much the knife was
Best Knife I've Ever Owned
Taylor S.
This is sincerely the best knife I've ever owned. I purchased this model 5 years ago and have carried it ever since. It looks mildly worn and there's no play in the pivot.

I actually lost it in a snow bank (The kind filled with salt and road-garbage that the plow trucks make). Went back 3 months later after the snow melted and it barely had a little surface rust around the logo and patent number. Easily came off with steel wool.

The first thing I did when I got the knife was super glue the safety "off." The seat belt cutter is useless without the safety engaged and even then, its not spectacular unless you're a master at sharpening.

With the proper maintenance and care, I can see this knife lasting for decades.