Extrema Ratio BD4 Contractor Linerlock Knife With N690 Double Edge Serrated Blade Black Handle Tactical EDC

The Extrema Ratio BD4 Contractor Linerlock Black is a premium folding knife built for professionals who demand rugged reliability in demanding environments. Designed for tactical work, field use, and everyday carry, it combines a formidable dagger blade with a compact, secure carry profile.

• Blade Material: Bohler N690 stainless steel for excellent edge retention and corrosion resistance in tough conditions.
• Blade Type: Partially serrated, double-edge dagger blade for versatile piercing and cutting tasks.
• Blade Length: 4.75" blade provides substantial cutting capacity while maintaining a compact overall size.
• Overall Size: 6" closed length, balancing portability with practical grip and control.
• Finish: Black Mil-C-13924 burnished coating reduces glare and enhances durability.
• Handle: Black anodized aluminum handle delivers a lightweight, rugged grip with excellent corrosion resistance.
• Locking Mechanism: Linerlock system for secure, reliable one-handed deployment and safe lockup during use.
• Extended Tang: Extended tang adds strength and balance for steady handling under demanding tasks.
• Carry: Pocket clip for secure everyday carry and convenient access.
• Packaging: Boxed for protection during shipping and gifting.

This BD4 model delivers real-world practicality: a strong steel backbone that resists corrosion, a blade geometry suitable for both piercing and controlled slicing, and a design that stays sturdy under pressure. The combination of an ergonomic black aluminum handle and a secure linerlock means confident handling in field conditions, while the extended tang and durable finish help the knife perform reliably over time. Whether you’re on duty, in the outdoors, or adding a capable tool to your collection, the Extrema Ratio BD4 Contractor stands out for purpose-built design and enduring quality.