Extrema Ratio BD4 Lucky Black – Elegance and Functionality in a Tactical Folder

The BD4 Lucky Black by Extrema Ratio is a folding knife that blends classic Italian style with modern innovation. Featuring a dual safety opening system, it ensures security and reliability in any situation. The partially serrated blade makes it highly versatile, suitable for both tactical applications and everyday use.

Key Features:

• Böhler N690 steel blade (58 HRC) with MIL-C-13924 black finish for maximum corrosion resistance.
• Assisted opening with dual protection for safe use.
• Partially serrated blade (20 mm / 0.78 in) for effective cutting of tough materials.
• Anodized anticorodal aluminum handle, lightweight and durable.
• Elegant and functional design, reminiscent of traditional Italian craftsmanship.
• Available in Black and Desert versions to suit different needs.

Technical Specifications:

• Weight: 137 g (4.83 oz)
• Blade length: 123 mm (4.84 in)
• Total length: 280 mm (11.02 in)
• Blade thickness: 3 mm (0.11 in)
• Blade grind: Flat edge

Warnings:

• Sale prohibited to persons under 18 years old.
• Handle with care and store in a safe place.
• Do not tamper with the knife in any way.
• Clean and dry after each use to maintain durability.
• Do not expose to excessive heat or humidity.

A high-quality folding knife, perfect for those seeking reliability, safety, and style in a single tool.