KA-BAR TDI LDK (Last Ditch Knife) Law Enforcement Boot Knife with Plastic Sheath

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When the chips are down, you'd better pray that you've got this ankle knife on you. This credit card-sized tactical knife is the perfect size for slipping under your shoelaces or into a secret sleeve or jacket pocket. Designed by John Benner of the Tactical Defense Institute, this knife is specially designed to aid law enforcement officers, who would readily appreciate its super sharp drop-point blade and easy-to-conceal flat shape. The hard Kydex sheath will also fit securely in most spaces, so you can carry with confidence.


• Black powder coated stainless steel construction

• Hard plastic friction sheath

• Black 550 cord included

• Blade Material: 9Cr1

• Carry System: Kydex Sheath

Model Number: 5-1478BP-4
Catalog Number: 82360
Blade Length 1.63 inches
Blade Material 9Cr18 Stainless Steel
Sheath Material Kydex
Blade Edge Plain
Point Spear Point
Handle Material Stainless Steel
Total Length 3.63 inches
Blade Color Black
Sheath Included Yes
Knife Type Fixed Blade
Knife Weight 1 ounces
Handle Color Black
Country of Origin Taiwan
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Making a quality KA-BAR product requires the talent of experienced craftspeople performing dozens of processes with precision and skill. Each knife undergoes specific manufacturing processes to ensure corrosion resistance, strength, edge holding ability, and an out-of-the-box razor sharp cutting edge.

Soon after its introduction in the mid-1920's, the KA-BAR trademark became widely known and respected. There have been many versions of how the KA-BAR name came to be, but all evidence points to a letter received from a fur trapper. This particular fur trapper's testimonial turned out to be the most significant ever received by the company.

He wrote, in very rough English, that his gun had jammed and that he had therefore relied on his knife to kill a wounded bear that was attacking him. In thanking the company for their quality product the trapper described using his knife to kill the bear. All that was legible of his scrawled writing was "k a bar". The company was so honored by this testimonial that they adopted this phrase and used it as their trademark, KA-BAR.

Video of the engraving process

Looking for a way to give your knife an extra dash of pizzazz? At Knife Depot, you can customize any of our 10,000 knives with an inscription or logo. The cost is $19.99 per knife for up to three knives with the same inscription. If you want four or more knives with the same inscription or logo, it costs $5.99 per knife. Click here for more information about our engraved knives.

Want to get your engraved knife even faster? Our Quick Ship personalized knives program features a selection of popular knives that are ready to be engraved and shipped right away for less.

Got questions about our knife personalization? Give us a ring at 1-800-248-1987 or email us.

engraved logo knife example
Logo Engraving
engraved silver knife example
Text Engraving (Silver Blade)
engraved black knife example
Text Engraving (Black Blade)

Customer Reviews

Average Rating:
By Austin R. from Poplar Bluff MO
April 9, 2013

The product was shipped quickly and promptly well made knife will order from Knife Depot again.

By Eddie M. from Kitchener, ON
November 10, 2007

It is very compact, smaller than I had anticipated and a little awkward to get a firm grip on right away, but once you get used to the size of said item I found no other faults. Good size to be worn around neck.

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