SOG Pentagon Fx - Reviews
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This knife is great quality. Hands down the best knife I’ve owned
It’s a great knife with a great sheath. Super tough and strong, even well balanced. Sheath and mounting are easy and solid. Point of the knife was moderately sharp, but the edges couldn’t even cut paper… I was expecting a little more from SOG, when they proclaimed it excelled in slashing and thrusting. It’s a very near perfect knife in my opinion, except the edges of the knife are extremely dull. If the sides could catch a thumbnail or curl paper it would be the best knife I’ve ever owned, but since it’s basically a big glorified poker… I give it a 5.5/10. If SOG can figure a way to sharpen the sides and make them “slicey” like advertised I’ll take back my review, until that geometry is figured out… to actually make it combat worthy… my review stands.
10 of 34 SOG Pentagon Fx - Reviews
I bought this little less than a month ago and it has not disappointed at all! It’s the sharpest knife I own. Everything about it is great no complaints. I also bought the xr folding version and just as pleased! Love this collection!
Beautiful blade. Love the design; in keeping with the old school bayonet feeling. Very sharp with a great scabbard.
What a great feeling knife. Balance and feel beyond any of the 300 blades I currently own
Legit last line of defense tool. Perfect edc size and lots of mounting/carry options. The grip is planty big for my XL size hands. Came pretty sharp for a dagger, but it won't be the sharpest knife you have because robust daggers are rather thick behind the edge. Plenty sharp for what it is designed for though. Love the adjustable retention sliders.
Was looking for a nice carry knife and this is very good and balanced. Definitely worth the price
Hard to find anything wrong with my purchase. Very good knife.
Sog really outdid themselves, customizable to the bone, a strong tip and more. I want to point out this is a professional tool, it's not designed to cut paper, I assure you it will cut an oppponent. It's a matter of density of materials, flesh is easier to cut than most materials. Plus, this is a stabbing weapon, it will do it's job, slashing and thrusting, just don't try to cut paper with it, it is designed for another purpose.
This really impressed me. The quality of the knife and materials. Really like how your going ambidextrous on the sheaths. The weight and the feel of the knife is spot on. Glad that there is a company that makes a double edge knife still. Sick and tired of these other companies too afraid to make a double edge blade, I always had to grind the other side of their blade. Oh yea the blade comes very sharp out of the box, that put a big smile on my nasty face.
Strong dagger type knife built with quality materials
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Apr 18, 2026
By Logan94
This knife is great quality. Hands down the best knife I’ve owned