SOG Pent Arc Folding Knife

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Designed for defense carry by military and law enforcement, the SOG Pent Arc Knive is a purpose-built folding knife featuring a VG-10 blade with fuller, Arc-Lock for smooth operation and strong lockup, and GRN handle with stainless steel liners. The 4.0-inch VG-10 blade has a smooth bead blasted finished to reduce reflection. At 4.4 oz, it is lightweight and easy to slip into a pocket. The GRN handle with stainless steel liners provide a solid feel and balance. The Arc-Lock not only provides smooth operation for one-handed opening and closing, it is also one of the strongest locks available. It can be carried conveniently with its reversible low-carry pocket clip.

VG-10 Stainless Steel
VG-10 is well-known high-end Japanese steel and is considered premium. It contains vanadium which is known for its toughness. The steel is specially designed for high-quality blades used in cutlery. VG-10 can be sharpened to a fine edge that is very durable. It can maintain a hardness of Rc 60 without becoming brittle.

With its ambidexterity - and all the other attributes knife enthusiasts so relentlessly seek - the Arc-Lock might just be the perfect lock.

Tested at over 1000 lbs. of force (measured at the lock), far surpassing conventional lock strength.

Lightning-quick, one-handed opening and closing capability.

Spring-action securely retains blade closed, keeping fingers safely clear while unlocking.

Self-adjusting over time and easily cleaned for long-term optimal performance.


  • Closed Length: 4.8"
  • Product Weight: 4.40 oz.
  • Blade Length: 4"
  • Blade Thickness: 0.14"
  • UPC: 729857006453
  • Product Family: Pentagon
  • Product Type: Folding Knife
  • Country Of Origin: Japan
  • Locking Mechanism: Arc-Lock
  • Belt Clip Type: Reversible Low-Carry
  • Finish: Bead Blasted
  • Edge Type: Straight
  • Blade Steel Type: Vg-10
  • Blade Shape: Spear Point
  • Hardness: Rc. 59-60
  • Handle Material: Glass-Reinforced Nylon
  • Handle Color: Black