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Guardian Back-Up, Tanto, Serrated Edge

This professional fixed blade knife is built for self-defense. Featuring a non-reflective black blade coating, this agile knife is stealth. The compact design and double edge blade make it extremely versatile, and an adjustable tension sheath can be individually customized.

Item # 31-000559
  • Blade Length: 3.4 in.
  • Overall Length: 7.5 in.
  • Weight: 3.3 oz.
Warranty Warranty


  • Made in the USA
  • TacHide Handle - For secure grip in all conditions
  • All Black - For discreet use
  • Partially Serrated Tanto Point Tactical Blade
  • Adjustable Sheath Retention
5 Boot Knife Spencer Stewart - NOV 19, 2015

This is a boot knife not to be worn on the belt. When this knife arrived I first thought it was a bad qualitie knife but I had to have it because of its tough style. Turns out this knife is great for mush survival needs as well. I know this because I will go out for 1 week at a time and survive. Also good for work arond the farm great knife totally worth the price please put this up gerber people need to know this so they can choose between knives.

5 Outdoors man Kai - APR 14, 2015

I love the knife with its cwoalety grin and blade and the sheath lock and clip keep the knife in well and nice!!!!!

3 user zach - DEC 21, 2014

Good knife, nice and small feels good in hand but while the sheath is adjustably it could use some work. If the blade isn't just right it could fall out but as long as you double check you're all good.

3 Almost perfect Robb - FEB 2, 2014

Found this, by accident, when looking for an inexpensive, fixed blade with a ~ 4" blade, made in USA, for EDC.

Why 3 stars then?

I'd rather have a 'better' sheath meaning one without the "gripper" function this has. Maybe something with a ramp/lip like some dive knives have to secure the blade. I love how slim it is. I hate the retention method.

The other thing I would like to see is a way to horizontally mount the knife/sheath for more discreet carry along the belt line.

5 boy scout campouts joel - JAN 6, 2014

this knife is a little pricey

4 Bronx medic Jshbarber - JUN 19, 2013

What a nice blade. Came pretty sharp but I gave it a nice once over with my DMT Diafold. I could shave with it. Holds an edge beautifully. Nice job Gerber. It's in my boot every tour.

4 User Anthony - MAY 27, 2013

Very useful knife great for everyday belt knife of boot wish you had the partial serration on front half of top side if the knife and just one long blade on the other

5 Cav Scout Your name - MAY 5, 2013

A little pricey but besides that great light weight knife. Excellent for everyday carry.

4 Great Knife Mike - FEB 22, 2013

This is a great knife. Holds a good edge and is very good for it's price. I would say though that because the blade is so short it should come without the teeth. I find the teeth to be annoying then useful on a knife this short. Otherwise it's a great knife.

5 Gerber enthusiast Evan - JUN 28, 2012

I think this knife is great it holds an edge very well, the handle has a lot of grip to it. I bought this knife to fit in my boot unfortunately the clip in the sheath does not provide enough of gap, in other words my boot is to thick. I still wear it on my belt though because it sits high enough to be mostly concealed by a T-shirt and is a good all around knife.

5 blogger Terriligunn - MAY 24, 2012

I've owned several of these over the years each model year is just as good as the last, and lasts for years of use.

5 Retired Law Enforcement Teddy DeLacerda - FEB 22, 2012

I have many Gerber knives. Was looking for a small back-up to fit in my boot or vest. Sharp aint the word. This is an excellent back-up. Keep it up Gerber, give us more!

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