This knife has a closed length of 6.75 inches (17.15cm) and a blade length of 4.75 inches (12.07cm). The blade is made of black MIL-C-13924 burnished Bohler N690 stainless steel. The handle is black anodized aluminum and features an extended tang. It also comes with a pocket clip for easy carrying. The knife is packaged in a box.

Extrema Ratio

Features: Black burnished spear point blade with an extended tang. Lever front flipper opener. Black anodized aluminum handle. Liner lock for user safety. Reversible pocket clip for tip-up deep carry. Description: The elegant Extrema Ratio BD4 Folder has a light thin blade&amp;mdash;but longer than the average EDC&amp;mdash;so the weight, size, and sharpness is ideal for tactical maneuvers. However, for those who appreciate a larger blade for regular use, this folder is a well-made everyday carry. The BD4 epitomizes the classic Italian style of knife, with the sleekness of a stiletto and the spirit, too, with Extrema Ratio&#039;s High Speed Razor Opening System. The light aluminum has deliberate machining for the knife user&#039;s secure grip. When it comes to a sharp folding pocket knife, the BD4 is a clear winner. Love Italian knives? Don&#039;t miss out on our huge collection. Take a look today!

Extrema Ratio BD4 R Folder Pocket Knife Black Aluminum (4.75&quot; Black)

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Extrema Ratio BD 4 R Black N690 Stainless Blade

Discover the ultimate blade for your collection at KnifeGeek.io! This 6.75" closed knife features a black stainless blade and anodized aluminum handle.

Blade HQ

Extrema Ratio is a prestigious Italian brand renowned for its high-quality, precision-engineered knives and tactical tools. Established with a commitment to excellence, Extrema Ratio combines traditional craftsmanship with cutting-edge technology to produce durable, reliable, and innovative products designed for military, law enforcement, and outdoor enthusiasts. Each piece is meticulously crafted to meet the rigorous demands of professionals who require robust performance in the most challenging environments. Extrema Ratio stands as a symbol of superior strength, functionality, and timeless design, making it a trusted name among elite users worldwide.

Extrema Ratio Knives Division specializes in the design and manufacturing of high-performance knives tailored for professionals in the military, law enforcement, and rescue sectors. Established in 1997, the company focuses on creating effective tools that address specific user needs, continuously evolving their product line based on valuable feedback from customers and partnerships with armed forces globally. By prioritizing the enhancement of established designs over unnecessary innovations, Extrema Ratio is dedicated to producing reliable and durable knives that meet the rigorous demands of professional users. They also offer custom items tailored to individual specifications, ensuring that their products are both practical and tailored for various operational requirements.

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Extrema Ratio BD 4 R Black N690 Stainless Blade

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