The Extrema Ratio BF1 is a folding knife for everyday use: simple, essential and functional.
The N690 blade is burnished, with a flat grind and a thick, durable tip. Extrema Ratio characteristic cut-out areas in the handle - give access to the opening "pins", which don’t protrude from the knife when closed.
The reversible clip is located on the back of the blade and engulfs its tang – making it discreet to carry. Employs a trustworthy linerlock blade blocking system.
- SKU
- ER-04.1000.0143/BLK
- Age Restriction:
- 18+
- Blade Length (cm)
- 6.9000
- Overall Length (cm)
- 17.1000
- Blade Material:
- N690 Stainless Steel
- Blade Hardness (HRC):
- 58
- Blade Thickness (cm)
- 0.3
- Blade Coating:
- Mil-C-13924 Black Oxide
- Grind:
- Flat
- Sheath:
- No
- Pocket Clip:
- Yes
- Handle Material:
- Aluminium
- Handle Colour:
- Black
- Blade Type:
- Plain
- Blade Shape:
- Drop Point
- Blade Finish:
- Satin
- Product Weight (g)
- 88
- Lock Type:
- Liner Lock
- Handle Detail:
- Anticorodal Anodised Aluminium