SOG Specialty Knives & Tools SJ52-CP SlimJim XL Knife with Straight Edge Assisted Folding 4.18-Inch Steel Blade and Bead Blasted Handle, Black TiNi

  • List Price: $90.00
  • Sale Price: $39.88
  • Amount Saved: $50.12
  • Availability: Usually ships in 4-5 business days


  • Slimmest assisted knife in the world
  • Straight edge, 4.18-inch AUS-8 steel folding blade has a clip point shape with a hardcase black TiNi finish
  • SOG Assisted Technology provides one hand blade opening
  • Handle is made of 420 stainless steel with a bead blasted finish
  • Comes with a limited lifetime warranty

Product Description

The SOG Specialty Knives & Tools SJ52-CP SlimJim XL is constructed from a single piece of steel and stands out by being the slimmest assisted knife in the world. Made of AUS-8 steel with an attractive hardcase black TiNi finish, the 4.18-inch straight edge, folding blade has a clip point shape that allows a quicker and deeper puncture upon insertion, sharpens easily and makes quick work of any task. When you start to open the blade, SOG’s patented S.A.T. (SOG Assisted Technology) takes over and high-tension coil springs propel the blade the rest of the way open for fast, easy, one-handed access. This knife features a thumb stud with a Lockback to provide additional safety while the knife’s being used in the open position. The ergonomically contoured and well balanced handle has a bead blasted finish and is made of 420 stainless steel that will fit comfortably in your hand. A reversible pocket clip extends from the back of the handle, allowing the SlimJim to sit low in your pocket for the most discreet carry possible. This feature can also be used as a money clip. This slim knife has a closed length of 5.18-inches, overall length of 9.36-inches, blade thickness of 0.08-inches and weighs 2.7-ounces. The SOG Specialty Knives & Tools SJ52-CP SlimJim XL Knife with Straight Edge Assisted Folding 4.18-Inch Steel Blade comes with a limited lifetime warranty that protects against defects in manufacturing and materials. Each SOG product is created with the help of company founder and chief engineer, Spencer Frazer. Known for their uncompromising style and performance, these knives and tools showcase innovation, dependability and a unique, futuristic style that has garnered awards and recognition worldwide. SOG products have also won favor among law enforcement, military and industrial customers that rely on their tools to perform flawlessly in the toughest, most adverse conditions.

Constructed from a single piece of steel, the SlimJim XL technical assisted folding knife in hardcase black (model SJ-52) from SOG Specialty Knives and Tools stands out by virtue of simplicity and minimalism. It doesn't try to be the biggest or the loudest in the crowd. It is unobtrusive but always there when you need it. And it's one of the slimmest technical assisted folding knives on the market (.078-inch blade width) with a 4.18-inch stainless steel blade.

sog SJ-31 hand
The SlimJim XL technical assisted folding knife in hardcase black (view larger).


sog SJ-31 closed
Weighs just 2.7 ounces (view larger).
At a Glance
SJ-52 SlimJim XL 4.18-Inch Assisted Folding Knife
At a Glance:
  • Ultra-slim technical assisted folding knife

  • 4.18-inch AUS-8 stainless steel straight edge blade

  • Thumb grooves on the handle for controlled grip

  • Trademark SOG reversible low-carry pocket clip

  • Limited lifetime warranty
At a Glance

Start to open the blade, and let SOG Assisted Technology (S.A.T.) finish the action with a bang, using one of the surest assisted technologies out there. Tactile bumps and cutouts aid in control while all features are purposeful and functional. The patent-pending safety is used to insure the retention of the blade in the handle as well as acts as a double lock in the open position.

Thumb grooves on the stainless steel handle provide a comfortable and controlled grip. It also includes a reversible bayonet pocket clip for a close carry and quick access. All SOG products are guaranteed against defects in workmanship and materials for the life of the original purchaser.

Caring for Your Folding Knife

Keeping your knife clean, dry, oiled and sharp are the primary defenses against corrosion, wear, and potential injury. Be sure to clean the blade and handle after each use--however, do not soak your knife in water. A mild solution of soap and water should remove any dirt and debris that may have accumulated during use (avoid harsh detergents such as laundry or dish soap, and chlorine products). To remove any debris from inside the handle you can use a toothpick for any visible lint or dirt, or a Q-Tip for smaller amounts of dirt and debris.

After cleaning or after exposure to moisture be sure to completely dry your knife blade and handle, taking special care with any sensitive handle materials. Use a soft cotton cloth or chamois and a small amount of moisture-displacing oil (such as WD-40 or 3-in-1), on the blade only, to prevent water spots and oxidation from forming.

Fingerprints and weather are the primary causes of rusting or corrosion on a knife blade. To keep your knife looking its best, SOG recommends that you give your blade a light coat of oil after each cleaning, and prior to long-term storage. Be sure to also apply a Paraffin-based oil to the pivot point, which will not only keep the action of your blade smooth but will repel dirt and debris which could impede the blade's action.

Blade length 3.18 x 0.78 inches
Overall length 9.36 inches
Weight 2.7 ounces
Steel AUS 8
Edge Straight
HRC 56-58
Finish Hardcase black
Handle 420 stainless

What's in the Box

SJ-52 SlimJim XL 4.18-inch assisted folding knife

SJ-52 duo
One of the slimmest technical assisted folding knives on the market (view larger).

Product Detail

  • Product Dimensions: 9.36 x 0.25 x 1.25 inches; 0.3 pounds
  • Shipping Weight: 0.3 pounds
  • ASIN: B0074FH84A
  • Item model number: SJ-52
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