The Satre F N690 Total Black is a compact EDC folding knife built to be genuinely pocket-ready. It uses a flip opening system, double steel liners, a Liner-Lock blade lock, and a slim Deep Carry clip for discreet carry. The milled scale window lets the blade color show through when the knife is closed.

The Total Black variant uses Böhler N690 (58HRC) steel with MIL-C-13924 bluing and a flat grind. The knife weighs 96.5 g, measures 174 mm overall, has a 72 mm blade, 3 mm blade thickness, and an anodized anticorodal aluminum handle. Lifetime warranty applies.

Technical features

• Model: Satre F N690 Total Black.
• Type: EDC folding knife.
• Opening: flip.
• Blade lock: Liner-Lock.
• Internal structure: double steel liners.
• Clip: Deep Carry.
• Weight: 96.5 g.
• Overall length: 174 mm.
• Blade length: 72 mm.
• Blade thickness: 3 mm.
• Blade material: Böhler N690 (58HRC).
• Blade finish: MIL-C-13924 bluing.
• Blade grind: flat grind.
• Handle: anodized anticorodal aluminum.
• Warranty: lifetime.

Package contents

• 1 Extrema Ratio Satre F N690 Total Black.

How to use

• Open the blade with the flip system and always verify the Liner-Lock is fully engaged before use.
• Use the knife for daily carry, EDC tasks, and light to medium outdoor work.
• After use, clean the blade and store it dry to preserve finish and function over time.

Safety warnings

• Do not tamper with or modify the product.
• Use carefully, especially when the blade is open.
• Keep out of reach of children.
• Always close the blade after use.
• Use only for its intended purpose.
• Sales restricted to users 18+.

The Satre F N690 Total Black fits very well as a premium EDC folder: quick to deploy, carefully built, and visually understated yet immediately recognizable.