Spring Assist - 'Legal Auto Knife' - First Responder Tanto - FD


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  • 3 3/4" partially serrated stainless steel blade
  • Assisted opening mechanism
  • Embedded Fire Fighter medallion
  • Blade spur and thumb stud
  • Overall length: 8 1/2"

Fast action spring assist knives give you a tactical advantage when every second counts. Quick, one handed opening with inner spring assist.

Product Specifications:

  • Steel handle w/ two-tone finish & Fire Fighter emblem.
  • Combo window breaker & belt/cord cutter on end of handle.
  • Combo edge, partially serrated blade.
  • Sharpened 440 stainless steel blade with black finish.
  • In-line open lock.
  • Includes pocket / boot clip.
  • 8 1/2 in. overall opened, 3 3/4 in. blade, 5 in. closed.
How are Spring Assist different from a Gravity Knife or Automatic Switchblade Knife?

Gravity or Switch Blade knives feature a button, level, or other type of switch that releases a spring pressure to automatically open the blade. On a Spring Assist knife, there is no separate button or switch. Instead, you apply pressure to part of the blade to begin the opening process. This is usually a small bump of metal which sticks out under the knife, making it fast and comfortable to use. Once you press on that part of the blade, it automatically opens and locks into place. Since the action of opening the knife is started by pressing the blade metal, instead of a button or switch, it is considered to bypass the laws which ban Switch Blade knives.

19 MC91819

Customer Reviews | Average Rating: 5.00 out of 5

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Customer Reviews

Ben Barkley
Jul 27, 2013
(5 out of 5)

Awesome knife!! Got this for my father-in-law who is a retired Fire Fighter. Great construction, very sharp and smooth action. Highly recommend this knife and this company!


Benjamin Borck
May 25, 2013
(5 out of 5)

I don't ever recall buying a better knife. This thing is sturdy, looks impressive, and feels REAL (as opposed to my last spring assisted knife.) It might prove to be tricky to open if you have sissy hands, so it's not a lady's knife.

This was my first time ordering from TRUE SWORDS, and I am highly impressed. Thank you TRUE SWORDS!


brandon perry
Oct 25, 2012
(5 out of 5)

Extremely high quality. Easily one of the strongest knives I've ever seen or bought.
A little tough to open, but incredibly sturdy and light weight.


1 - 3 of 3 Reviews