Skip to Content

SOG Pentagon FX Fixed Blade Knife – S35VN Steel, Removable G10 Handle and Customizable Sheath (FDE)

  • mfr: SOG-17-61-02-57
  • SKU: SOG-17-61-02-57
In Stock

Available options:

  • Free standard shipping

    *Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

  • Free Local Pickup

    Please call for store stock availability.

    Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Additional options:

Product highlights

  • CRYO CPM S35VN Steel Blade
  • Removable G10 Handles
  • Versatile GRN Sheath with Adjustable Retention
  • Full-Tang Construction
  • Spear Point Blade Shape
  • Lightweight (6.5 oz) Design
  • Mission-Customizable Setup
  • Lifetime Warranty

SOG Pentagon FX Fixed Blade Knife – S35VN Steel, Removable G10 Handle and Customizable Sheath (FDE)

⁠SOG Pentagon FX – S35VN Steel Blade with G10 Handle and Customizable Sheath (FDE)

The SOG Pentagon FX is a cutting-edge, full-sized fixed-blade knife designed for the modern-day warfighter and outdoor enthusiast alike. Built with a high-performance CRYO CPM S35VN steel blade, this rugged tool is engineered to tackle the toughest challenges. Its modular design, featuring removable G10 handles and a versatile GRN sheath, allows for a fully customizable setup that can adapt to any mission or outdoor need.

Whether you're in the field, on a survival adventure, or simply need reliable gear for everyday carry, the Pentagon FX stands out with its exceptional balance, cutting power, and ergonomic design. Backed by a lifetime warranty, this tactical knife is not just a tool but a critical part of your mission-ready kit. Plus, with free shipping on orders over $95, there’s never been a better time to gear up with the Pentagon FX.

Explore our wide selection of professional-grade knives and accessories, and customize your Pentagon FX to meet your unique requirements.

Key Features of the SOG Pentagon FX-FDE:

Premium CRYO CPM S35VN Steel Blade:

Made with high-quality, corrosion-resistant steel, ensuring long-lasting durability and excellent edge retention.

Toughness and wear resistance ideal for harsh environments and demanding tasks.

Removable G10 Handles:

Textured for an optimal grip, providing superior control and comfort during use.

Easily removable to switch between a slim profile or a more robust grip, offering flexibility based on your mission needs.

Customizable Sheath System:

Includes a versatile GRN sheath equipped with accessories from SOG’s Universal Mounting System.

Adjustable retention, secondary retention, and mounting options to customize the knife’s carry setup, ensuring a secure fit and easy access in the field.

Adjustable Sheath Retention:

The no-tool sheath adjustment allows you to fine-tune the retention strength, making it easy to adapt to various carrying preferences.

Full-Tang Construction:

Provides superior strength and reliability, making the Pentagon FX ideal for heavy-duty use in rugged conditions.

Spear Point Blade Shape:

Offers a balanced point for precise cutting, piercing, and slicing tasks.

Lightweight and Balanced Design:

Weighing just 6.5 oz, this knife strikes the perfect balance between strength and portability, making it easy to carry and use.

Mission-Customizable Setup:

The Pentagon FX comes with a selection of accessories, allowing you to adjust the sheath angle, retention, and mounting method to suit your specific needs.

Versatile for Multiple Applications:

Designed for military professionals, outdoor enthusiasts, and survivalists, the Pentagon FX is a top choice for cutting, slicing, and tactical operations.

Lifetime Warranty:

SOG’s commitment to quality with a lifetime warranty ensures your knife will perform as expected, backed by trusted customer service.

Specifications

Main
Number of Blades 1
Configuration Core
Color Black/Camo

Questions

Customer Questions
No Questions

Returns

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@lifestylebyfocus.com with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@lifestylebyfocus.com, or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

SOG Pentagon FX - FDE: Customizable Precision for the Modern Warfighter

SOG Pentagon FX Fixed Blade Knife – S35VN Steel, Removable G10 Handle and Customizable Sheath (FDE) SKU: SOG-17-61-02-57

  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 7.82ms
  • REVIEWS, PRODUCT
  • bvseo-msg: HTTP status code of 404 was returned; HTTP status code of 404 was returned;

Customers also viewed

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.
$102.38

Free standard shipping included

$124.13

Free standard shipping included

$119.63

Free standard shipping included

$144.75

Free standard shipping included

$110.25

Free standard shipping included

$110.25

Free standard shipping included

$144.00

Free standard shipping included

loader
Loading...