---
product_id: 357047812
title: "Pentagon FX Covert Professional Fixed Blade Knife for Tactical Needs | Double-Edge CYRO S35VN Full-Tang Steel Blade"
brand: "sog"
price: "£150.09"
currency: GBP
in_stock: true
category: "Sog"
url: https://www.desertcart.co.uk/products/357047812-pentagon-fx-covert-professional-fixed-blade-knife-for-tactical-needs
store_origin: GB
region: United Kingdom
---

# Full-tang steel for unmatched strength Ergonomic G10 handle with textured grip 3.41" double-edge CRYO CPM S35VN blade Pentagon FX Covert Professional Fixed Blade Knife for Tactical Needs | Double-Edge CYRO S35VN Full-Tang Steel Blade

**Brand:** sog
**Price:** £150.09
**Availability:** ✅ In Stock

## Summary

> 🗡️ Own the edge others only dream of – tactical precision, covert style.

## Quick Answers

- **What is this?** Pentagon FX Covert Professional Fixed Blade Knife for Tactical Needs | Double-Edge CYRO S35VN Full-Tang Steel Blade by sog
- **How much does it cost?** £150.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/357047812-pentagon-fx-covert-professional-fixed-blade-knife-for-tactical-needs)

## Best For

- sog enthusiasts

## Why This Product

- Trusted sog brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Level Steel:** American-made CRYO CPM S35VN blade offers superior toughness and edge retention.
- • **Customizable Grip:** Slip-on/off rugged G10 handle adapts to your tactical style and mission demands.
- • **Unbreakable Backbone:** Full-tang construction ensures maximum durability for any mission or survival scenario.
- • **Compact Tactical Power:** Discreet 7.52" overall length fits covert carry needs without sacrificing performance.
- • **Versatile Carry Options:** Low-profile GRN sheath with Universal Mounting System integrates seamlessly into your loadout.

## Overview

The SOG Pentagon FX Covert is a professional-grade fixed blade knife featuring a 3.41-inch double-edged CRYO CPM S35VN steel blade with full-tang construction for exceptional strength. Its ergonomic, textured G10 handle offers a secure grip, while the compact 7.52-inch design and low-profile GRN sheath enable discreet, versatile carry options. Engineered for tactical, survival, and self-defense use, this knife balances high performance with covert functionality.

## Description

SOG PENTAGON FX COVERT FIXED BLADE KNIFE Designed as an evolutionary step in concealed fixed blade knives, Pentagon FX Covert is ideal for discreet carry. It features a double-edge CYRO S35VN full-tang steel blade, removable G10 handles and a minimalist GRN sheath compatible with SOG's next-generation Universal Mounting System. The SOG Pentagon FX Covert is a streamlined, discreet tactical fixed blade designed for those who require high performance in a more compact package. It excels in covert operations, self-defense, and other situations where both functionality and concealability are key. FEATURES: - Overall Length: 7.52" - Blade Length: 3.41" - Blade Thickness: 0.18" - Weight: 3.9 oz - Blade Steel Type: CRYO CPM S35VN - Blade Shape: Spear Point - Edge Type: Straight - Handle Material: G10 - Hardness: Rc. 58-61 - Sheath Material: GRN - Mounting: Universal Mounting System

## Features

- PROFESSIONAL FIXED BLADE KNIFE - The SOG Pentagon FX Covert Fixed Blade Knife is a compact, tactical version of the original Pentagon FX, designed for users who need a smaller tool that retains high performance; it is ideal for discreet carry
- FULL-TANG CONSTRUCTION - The full tang construction adds strength to this survival tactical knife; the ergonomic design allows for comfortable use during prolonged periods; the weight of the SOG Pentagon FX Covert Fixed Blade Knife is 3.9 oz
- CRYO CPM S35VN STEEL - An American-made steel featuring vanadium and niobium carbides that provide high degrees of toughness and wear resistance; the Pentagon FX Covert features a 3.41-inch blade, which makes it compact and easy to conceal
- G10 HANDLE - Textured for optimal grip, the G10 handles feature a single-fastener slip-on/slip-off design that allows you to customize your compact emergency to your mission's needs; G10 is known for its ruggedness & is resistant to both impact & moisture
- COVERT BY DESIGN - Compact and low profile GRN sheath can discreetly integrate into your load-out, allowing for a variety of ways to carry; mount it on a belt, in between MOLLE, with adhesive Velcro or as part of SOG’s Universal Mounting System

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09C6PH5SP |
| Age Range Description | Adult |
| Best Sellers Rank | #324,328 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #585 in Tactical Knives |
| Blade Edge | Compound Bevel |
| Blade Length | 3.41 Inches |
| Blade Material | CRYO CPM S35VN |
| Blade Shape | Spear Point |
| Blade Type | Double-edged |
| Brand Name | SOG |
| Color | Blackout |
| Customer Package Type | Basic |
| Customer Reviews | 3.8 3.8 out of 5 stars (95) |
| Hand Orientation | Ambidextrous |
| Handle Material | Fiberglass |
| Included Components | Product |
| Is Product Cordless | Yes |
| Item Length | 7.52 Inches |
| Item Shape | Rectangular |
| Item Type Name | Holster |
| Item Weight | 0.7 Pounds |
| Manufacturer | SOG Knives & Tools |
| Model Name | SOG-17-61-03-57 |
| Model Number | SOG-17-61-03-57 |
| Orientation | Vertical |
| Part Number | SOG-17-61-03-57 |
| Power Source | hand_powered |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Camping, Carving, Fighting, Fishing, Hunting, Skinning, Whittling |
| Reusability | Reusable |
| Size | 3.4" |
| Special Features | Foldable |
| Style | Tactical-Modern |
| Theme | Tactical |
| UPC | 729857011525 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 Year Manufacturer |

## Product Details

- **Age Range (Description):** Adult
- **Blade Material:** CRYO CPM S35VN
- **Brand:** SOG
- **Color:** Blackout
- **Handle Material:** Fiberglass
- **Included Components:** Product
- **Model Name:** SOG-17-61-03-57
- **Recommended Uses For Product:** Camping, Carving, Fighting, Fishing, Hunting, Skinning, Whittling
- **Special Feature:** Foldable
- **Style:** Tactical-Modern

## Images

![Pentagon FX Covert Professional Fixed Blade Knife for Tactical Needs | Double-Edge CYRO S35VN Full-Tang Steel Blade - Image 1](https://m.media-amazon.com/images/I/51377K61bAL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Is this one made in Japan like the original pentagon?**
A: Made in Taiwan

**Q: Does anyone know if you can add a tech lock to the sheath to wear horizontal on belt**
A: I don't think so.  The screws/pins/bolts whatever that affix the clip to the sheath don't look like they can be undone.

**Q: What is blade length of sog pentagon fx covert fixed blade? thx**
A: About 3 1/4"

## Frequently Bought Together

- SOG Pentagon FX Covert Professional Fixed Blade Knife for Tactical Needs | Double-Edge CYRO S35VN Full-Tang Steel Blade
- SOG Flint 4.3" Survival & Defense Portable Compact Tool for Outdoors and Emergencies | Includes Glass Breaker and Whistle
- SOG ParaShears Lightweight Backcountry Stainless Steel Multi-Tool, 11 Tools | Compound Leverage Technology, Black

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-01*