Extrema Ratio BD4 Lucky – Elegance and Reliability in a Tactical Folder

The BD4 Lucky by Extrema Ratio is a folding knife that blends classic Italian style with technical innovation. Thanks to its dual safety opening system, it ensures both security and quick deployment. Its partially serrated blade, made of Böhler N690 steel, provides excellent cutting performance on various materials.

Key Features:

• Böhler N690 steel blade (58HRC) with Stone Washed finish, highly wear-resistant.
• Dual safety opening system for enhanced security.
• Partial serration (20 mm / 0.78 in) for fast and precise cuts.
• Anodized anticorodal aluminum handle, strong yet lightweight.
• Elegant and functional design, inspired by Italian tradition.
• Available in Black and Desert versions to suit different preferences.

Technical Specifications:

• Weight: 173 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 versatile and durable folding knife, perfect for those seeking reliable performance and refined design.