KA-BAR TDI Law Enforcement Fixed Blade Knife

The KA-BAR TDI Law Enforcement Fixed Blade Knife is the result of the successful partnership between the Tactical Defense Institute (TDI) and Ka-bar. Razor sharp out of the box, the TDI Law Enforcement Knife is designed to be available as a last option knife. When worn on the pant belt, the entire unit - knife and sheath - is well concealed and ready for quick deployment when needed most.

In stock

SKU 617717214806

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American Owned and Operated


20+ Years In Business

Returns Accepted

Ships from Pennsylvania



  • Designed by John Brenner, Founder of Tactical Defense Institute
  • Extreme Close Quarters Capabilities
  • Includes Hard Plastic Sheath with Reversible Belt Clip
  • Backed by Ka-Bar Limited Lifetime Warranty
  • Blade Length: 2 5/16"
  • Overall Length: 5 5/8"
  • Blade Type: Stainless Steel Plain Drop Point
  • Includes Sheath and Metal Belt Clip

More Information

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Customer Reviews

The best knife I ever owned
Review by Tashi U.
Verified Buyer
there is nothing I can say about this knife
that you havent heard already its great multi use
I wear it everyday on my duty belt
Good knife, OK sheath
Review by Crista U.
Verified Buyer
I like the knife, it appears to be solidly made, and the coating on the blade seems tough. I don't really care for the sheath, especially the metal belt clip. The clip is relatively thin and has sharp edges. I'm scared to sit on my leather couch or on any other delicate fabric for fear of tearing it. I'm not in law enforcement, so I imaging this wouldn't be a problem if attached to a duty belt.
Good knife
Review by Crist V.
Verified Buyer
I got this knife for my husband and he thoroughly enjoys it. The knife was very sharp when it came and we did not have to do anything to it to sharpen it.I guess the only thing I don't like about it is how easily you can cut yourself when taking it out of the sheath because of the design of the knife. But that isn't the product's fault. You just have to be careful when playing with sharp objects. Overall, I like it and my husband loves it so 5 stars :)
Ka Bar TDI
Review by Destini S.
Verified Buyer
Awesome little knife. Excellent for concealment. I bought it with the  Ankle Rig for TDI Law Enforcement Knife  and the whole set up is very comfortable and easy to get to. This is not a big, bad knife for showing off, but it would cause a tremendous amount of damage in close quarters; more than likely deadly with the correct strike. The retention features would make it very difficult for a bad guy to take away. I am in a wheelchair, so I wear this on my left ankle to grab with my right hand.
KA-BAR is quality
Review by Jaren O.
Verified Buyer
Well made and feels good in the the hand. Definitely needs to be sharpened though. Blade is coated which is very nice. Fits great right behind my mag pouches.
Concealed Self Defense
Review by Kellye F.
Verified Buyer
I really was not sure what I would get from a $30 dollar knife even though it has the Ka-Bar name. Well I have a well constructed, sharp, and easily handled concealed weapon. Originally intended for a weak hand draw for LEOs and to be worn behind their magazine pouch. As a civilian I wear it in 11 o'clock position for weak hand draw or strong hand draw. The sheath that came with it is nice, I do not think it is Kydex, but the knife clicks in and will not come out until you want it to. The belt clip is reversible (so you can have the sheath inside or outside the belt) and clips around my belt securely. The belt clip seems kinda of week at first because there is not a lot of tension on it, but after months of wearing it and taking it on and off at least twice a day it is still holding strong. I do not use this as a pocket knife and I have only used it once as such, so I can not tell you how the edge will hold under heavy use.

Overall I am extremely happy with the quality of the TDI and would recommend this to anyone who would like a self defense edged weapon.
Review by Kimberlie Z.
Verified Buyer
Really cool last ditch knife. With the scabbard it fits on my duty belt and blends in next to my taser. Easy access, but not overly apparent. So far good knife with a good blade and I would recommend it.
great defensive knife
Review by Bernette X.
Verified Buyer
At first, this knife looked funny to me, but it grew on me to the point that I love it. It's a little over 2 inches making it fit the ridiculous requirements for sensitive areas in California. Out of the box, it came very sharp, and the plastic sheath/belt clip so far is pretty durable--contrary to some other reviews that I've read. The knife looks and feels to be made of high quality. I take it with me everywhere I go--except for restricted areas--and because of the handle only being the size of my hand, I know that it would be difficult to drop it or have it taken away if I were to need it in a defensive situation. I highly recommend the TDI.
Highly Recommended.
Review by Mariea D.
Verified Buyer
As an ex-cop... I wish I had known about this knife back then! I never carried any knife on duty... but I would have carried this one! A few other things to consider (PLEASE LOOK AT YOUR STATE'S LAWS 1st)... The blade is less than 3" so it does NOT require a concealed weapons permit to carry. VERY SOLID. Comes with the Kydex holster so you don't need to upgrade it (unless you want the ankle holster). You can also exchange out the screws and change it from right to left handed. I've learned to carry it on my left side and hold it with the blade side pointing out from my pinkie finger. Wish it was made in America though (Like a TRUE Ka-Bar). I'd pay more for it if it was.
Review by Ileana W.
Verified Buyer
This is the ultimate backup knife. The blade is extra long and razor sharp. It can be used to slice open the jugular vein of your attacker if your weapon goes down on you. I trust my life to this awesome weapon.
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