We apologize to our users with disabilities that may find it difficult to use our website. We are working hard, and are committed to making our site more accessible for all users, including those with disabilities or impairments. If you have trouble using our website please feel free to call our customer service department and we will be happy to assist you in placing your order over the phone. The phone number for customer service is 800 338 6799. For your convenience, customer service is available from 9 am to 5 pm Eastern Time Monday through Friday. Thank you for your continued support and patience as we work to improve the accessibility of our website.

Skip to main content

Fallkniven U4 Wolf's Tooth Folding Knife 2.09" Laminated SGPS Steel Blade, Black Zytel Handles


MSRP* : $127.95 | You Save* : $32.00 (25%)
Part #: SWEDU4 | Fallkniven Knives
Earn 960 knifeREWARDS Points!
SWEDU4: U4 Wolf's Tooth
Being well dressed is a concern no matter where you are. Clothes should fit the circumstances, the situation, needs and a person's expectations. The same goes with knives! Having the right knife for any situation usually means having several to choose from. With all the different local laws confusing the matter, one must be very careful with the knife they choose.

At first glance, the U4 is a seemingly modest penknife. No one would give it a second look when you pulled it from your pocket to peel the apple, open that letter or cut string. But looking closer one notices that the blade consists of high-grade powder steel with an edge that stays sharp for a long time. Holding the knife in your hand, you would also notice the lightweight design. The blade locks for added safety and the symmetrical design allows for use by both right and left handers. The U4 is an excellent knife for carrying in your pocket, giving you a strong tool in a small package. Someone described the knife as resembling a wolf's tooth and there just may be something to that. You might say the U4 is a wolf in sheep's clothing.
  • Folding Knife
  • Lockback
  • Double Nail Nicks
  • Lanyard Hole
  • Blade Length: 2.09" (53 mm)
  • Closed Length: 2.76" (70 mm)
  • Open Length: 4.84" (123 mm)
  • Blade Steel: Laminated Super Gold Powder Steel
  • Blade Shape: Drop Point
  • Blade Finish: Satin
  • Blade Grind: Convex
  • Blade Thickness: 0.09" (2.25 mm)
  • Blade Hardness: 62 HRC
  • Handle Material: Zytel
  • Handle Thickness: 0.39"
  • Weight: 0.8 oz.
  • Made in Japan
The lockback system has been used for many decades. It can usually be found on the knife spine and it provides a strong lockup that will wear well.
Made in Japan
Made in Japan
The exotic steel Capital of the World, Japan produces and innovates some of the best products, from pocket to kitchen knives and everything in between.
Zytel Handles
Zytel Handles
A nylon polymer that is lightweight and extremely durable, Zytel can be shaped and textured to provide excellent grip.
Fallkniven U4 Wolf's Tooth Folding Knife 2.09" Laminated SGPS Steel Blade, Black Zytel Handles4.500 (2 reviews)
4.5 out of 5 stars
5 star
4 star
3 star
2 star
1 star
Fallkniven U4 Wolf's Tooth Folding Knife 2.09" Laminated SGPS Steel Blade, Black Zytel Handles
4 out of 5
Chandler, Az
Pros: Weight, Ease of Opening
Cons: None
Sharp and light
Great weight and feel. Nice mechanics. The blade was sharp out of the box. Only critique: when closed the back of the blade sticks out above the handle and has some fairly sharp edges.
Fallkniven U4 Wolf's Tooth Folding Knife 2.09" Laminated SGPS Steel Blade, Black Zytel Handles
5 out of 5
Pros: Lock Ease of Use, Blade Sharpness, Handle Feel, Ease of Opening
Cons: None
Little knife keeps up with the regular guys.
I needed a small knife to replace a broken one. Never purchased Fallkniven before, but I'm hooked. This knife is the sharpest of the three I carry for our antique auto restoration business. It has done everything I asked it to, and I USE my pocket knives. Several months later, it is still as sharp as the day it came out of the box. This is really great, as I have sharpened my other two cheap knives twice since then.
Loading Reviews


Subscribe to our Newsletter for exclusive offers!