Extrema Ratio BF1 CD Desert Warfare Liner Lock Knife Bronze Alum (2.8" Black)

  • Compact black/bronze finished Bohler N690 steel blade.
  • Dual thumb stud openers with bronze washers.
  • Milled bronze anodized aluminum handle scales.
  • Liner lock mechanism.
  • Loop-over deep-carry tip-up pocket clip.


The Extrema Ratio BF1 is a tactical folder that can take any abuse you give it. The knife can be easily opened with either hand, and locks open securely with the liner lock. This compact pocket knife is a light and sturdy addition to your EDC collection, with the deep-carry pocket clip allowing the folder to disappear seamlessly into your pocket until you need it.

Extrema Ratio Knives are tough, purpose-built tactical knives that come in all shapes and sizes.

Item #BHQ-138613
Our Price: $189.00
In Stock!
Online Only

*Due to high order volume, Orders with customizations will be delayed by 2 business days.

Emojis NOT allowed. Will be removed during engraving process.

Max 50 Characters. Remaining:

Engraving Customization Disclaimer

Blade HQ is not responsible for any mistakes or misspellings made by customers.

Personalized laser engraved items are not accepted for return for any reason.

While we accept most engraving requests, we cannot honor all. Some may contain trademarks or other terms that we do not have the right to use.

Engraving requests may contain material that Blade HQ considers inappropriate or simply do not want to place on products. At times this obliges us to decline engraving requests that may otherwise seem unobjectionable. If your engraving request is deemed unacceptable, your order will be canceled and you will be notified via email.

Blade HQ reserves the right to cancel any engraving requests after they have been submitted.

Prices are subject to change without notice.

Cancellations are not possible once the engraving process has begun.

Please note, engraving may delay processing time beyond two business days, but no more than four business days under normal circumstances. Blade HQ defines business days as being Monday - Friday, excluding Saturday and Sunday and all Federal and State holidays at our discretion.

By placing your order you agree to the disclaimer listed above and accept any and all liabilities associated with the engraving process.

Login to add items to your Wishlist


  • Overall Length: 6.70"
  • Blade Length: 2.75"
  • Blade Thickness: 0.12"
  • Blade Material: Bohler N690
  • Blade Style: Drop Point
  • Blade Grind: Flat
  • Finish: Black, Bronze
  • Edge Type: Plain
  • Handle Length: 3.95"
  • Handle Material: Aluminum
  • Color: Bronze
  • Frame/Liner: Steel
  • Weight: 3.10 oz.
  • User: Right Hand, Left Hand
  • Pocket Clip: Tip-Up
  • Knife Type: Manual
  • Opener: Thumb Stud
  • Pivot Type: Washers
  • Lock Type: Liner Lock
  • Brand: Extrema Ratio
  • Model: BF1
  • Model Number: 0143DW
  • Country of Origin: Italy
  • Best Use: Tactical
  • Product Type: Knife

Customer Reviews

Blade HQ Copyright © 2023 Blade HQ. All rights reserved
Give Feedback