Skip to content
  • 💳 More bang for your buck + free shipping 💳
  • 💳 More bang for your buck + free shipping 💳
Optimal Knife ShopOptimal Knife Shop
  • Menu
  • Knives & multitools
    • Bushcraft knives
    • Hunting knives
    • Survival knives
    • Swiss army knives
    • Multi-tools
    • Pocket knives
    • Other types of knives
    • Accessories
  • Pocket knives
    • Everyday carry knives (EDC)
    • Gentleman’s knives
    • Traditionals
    • Japanese pocket knives
    • Laguiole knives
    • Pocket knives for children
  • Other types of knives
    • Razors & accessories
    • Neck knives
    • Military & tactical knives
    • Machetes
    • Wood carving knives
  • Accessories
    • Carrying & Storing
    • Merchandise
  • New Release
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

 

Extrema Ratio Fulcrum E.I. Testudo

Home / Other types of knives / Military & tactical knives
  • Fox Tactical Elementum Dagger FOFX-647S Fixed Knife -Optimal Knife Shop FOFX 647S 01 fox knives
  • Cold Steel Recon Tanto SK5 49LRTODBK OD-green, Black, Fixed Knife -Optimal Knife Shop CS49LRTODBK 01 coldsteel
New
Extrema Ratio Fulcrum E.I. Testudo
Extrema Ratio Fulcrum E.I. Testudo - Image 2
Extrema Ratio Fulcrum E.I. Testudo - Image 3
Extrema Ratio Fulcrum E.I. Testudo - Image 4
Extrema Ratio Fulcrum E.I. Testudo - Image 5
Extrema Ratio Fulcrum E.I. Testudo - Image 6
Extrema Ratio Fulcrum E.I. Testudo - Image 7
Extrema Ratio Fulcrum E.I. Testudo -Optimal Knife Shop ER083FULEI 02 extrema ratio fulcrum ei testudo er083fulei d2
Extrema Ratio Fulcrum E.I. Testudo -Optimal Knife Shop ER083FULEI 03 extrema ratio fulcrum ei testudo er083fulei d3
Extrema Ratio Fulcrum E.I. Testudo -Optimal Knife Shop ER083FULEI 04 extrema ratio fulcrum ei testudo er083fulei d4
Extrema Ratio Fulcrum E.I. Testudo -Optimal Knife Shop ER083FULEI 05 extrema ratio fulcrum ei testudo er083fulei d5
Extrema Ratio Fulcrum E.I. Testudo -Optimal Knife Shop ER083FULEI 06 extrema ratio fulcrum ei testudo er083fulei d6
Extrema Ratio Fulcrum E.I. Testudo -Optimal Knife Shop ER083FULEI 07 extrema ratio fulcrum ei testudo er083fulei d7

£309.95 Original price was: £309.95.£95.99Current price is: £95.99.

Buy Now
SKU: A25PD 647269755 Categories: Military & tactical knives, Other types of knives
  • Free Shipping, Quality Goods
  • Risk-Free Shopping with Returns
  • Guaranteed High Quality
  • 100% High-Quality Guarantee
Browse
  • Accessories
    • Carrying & Storing
    • Merchandise
  • Knives & multitools
    • Accessories
    • Bushcraft knives
    • Hunting knives
    • Multi-tools
    • Other types of knives
      • Machetes
      • Military & tactical knives
    • Pocket knives
      • Everyday carry knives (EDC)
      • Gentleman's knives
    • Survival knives
    • Swiss army knives
  • Other types of knives
    • Machetes
    • Military & tactical knives
    • Neck knives
    • Razors & accessories
      • Safety razors
      • Shaving accessories
      • Straight razors
    • Wood carving knives
  • Pocket knives
    • Everyday carry knives (EDC)
    • Gentleman's knives
    • Japanese pocket knives
    • Laguiole knives
    • Pocket knives for children
    • Traditionals
  • Description
  • Additional information
  • Reviews (0)

The Extrema Ratio Fulcrum E.I. is a military dagger with a strong structure which is supplied to the Italian Army in 2003. Two thousand pieces are field-tested in Afghanistan by the Italian Paratroopers and Alpine troops. Engraved with the Italian Army logo: EI.

BrandExtrema Ratio

Brand

Material handleforprene

Material handle

Blade shapetanto

Blade shape

Best usetactical

Best use

Type of knifetactical knife

Type of knife

Finish bladedark coating

Finish blade

Hardness58 HRC

Hardness

Type of steelBöhler N690Co

Type of steel

Weight330 g

Weight

Can be engravedYes

Can be engraved

Length31 cm

Length

Blade thickness6.3 mm

Blade thickness

Blade length18 cm

Blade length

Article numberER083FULEI

Article number

Country of originItaly

Country of origin

Warranty on materials and manufacturing defectslifetime

Warranty on materials and manufacturing defects

Type of edgepartially serrated

Type of edge

Reviews

There are no reviews yet.

Be the first to review “Extrema Ratio Fulcrum E.I. Testudo” Cancel reply

Related products

New
Cold Steel Mini Tac Bowie 49HCF Neck Knife
Quick View

Other types of knives

Cold Steel Mini Tac Bowie 49HCF Neck Knife

£23.95 Original price was: £23.95.£16.77Current price is: £16.77.
New
TOPS Knives ALRT-01, Necker
Quick View

Other types of knives

TOPS Knives ALRT-01, Necker

£90.95 Original price was: £90.95.£63.67Current price is: £63.67.
New
ANV P100 Sleipner, DLC, No Paracord P100-014, Black Kydex Sheath, Neck Knife
Quick View

Other types of knives

ANV P100 Sleipner, DLC, No Paracord P100-014, Black Kydex Sheath, Neck Knife

£105.00 Original price was: £105.00.£73.50Current price is: £73.50.
New
Brisa Necker 70, 007 Flat Ivory Micarta, Neck Knife
Quick View

Other types of knives

Brisa Necker 70, 007 Flat Ivory Micarta, Neck Knife

£55.45 Original price was: £55.45.£38.82Current price is: £38.82.
New
Böker Shaving Soap Lauric Oil & Sandlewood 04BO179
Quick View

Other types of knives

Böker Shaving Soap Lauric Oil & Sandlewood 04BO179

£12.95 Original price was: £12.95.£9.07Current price is: £9.07.
New
Morakniv Hook Knife 162 Spoon Knife
Quick View

Other types of knives

Morakniv Hook Knife 162 Spoon Knife

£28.76 Original price was: £28.76.£20.13Current price is: £20.13.
New
Morakniv Mora Eldris Yellow 12632 Necker With Luxury Sheath And Firesteel
Quick View

Other types of knives

Morakniv Mora Eldris Yellow 12632 Necker With Luxury Sheath And Firesteel

£41.36 Original price was: £41.36.£28.95Current price is: £28.95.
New
Bark River JX5 Vengeful 1 CPM 3V Green Canvas Micarta Machete
Quick View

Other types of knives

Bark River JX5 Vengeful 1 CPM 3V Green Canvas Micarta Machete

£372.95 Original price was: £372.95.£96.99Current price is: £96.99.
OUR SHOP
  • My account
  • Checkout
  • Cart
  • Payment Method
CONTACT
  • About Us
  • Contact Us
  • FAQ
  • Returns & Exchanges
CUSTOMER SERVICES
  • Privacy Policy
  • Shipping & Returns
  • Delivery
  • Term and Conditions
STAY IN TOUCH

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.eliteknifegear.com
    • Knives & multitools
      • Bushcraft knives
      • Hunting knives
      • Survival knives
      • Swiss army knives
      • Multi-tools
      • Pocket knives
      • Other types of knives
      • Accessories
    • Pocket knives
      • Everyday carry knives (EDC)
      • Gentleman’s knives
      • Traditionals
      • Japanese pocket knives
      • Laguiole knives
      • Pocket knives for children
    • Other types of knives
      • Razors & accessories
      • Neck knives
      • Military & tactical knives
      • Machetes
      • Wood carving knives
    • Accessories
      • Carrying & Storing
      • Merchandise
    • New Release
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.