MICROTECH ULTRATECH AUTO OTF – 121-10
The MICROTECH ULTRATECH AUTO OTF – 121-10 is the gold standard for out-the-front (OTF) knives. As Microtech’s original dual-action OTF model, it has continuously evolved, incorporating refined engineering, improved ergonomics, and enhanced reliability.
This Ultratech features an upgraded contoured handle with a textured thumb slide, ensuring a secure grip and smooth deployment. The spring mechanism remains at rest when not in use, preventing fatigue and ensuring consistent, reliable performance.
With its lightweight frame, quick one-handed operation, and razor-sharp drop point blade, the Ultratech is an essential everyday carry (EDC) tool built for durability and precision.
Key Features
- High-Performance Blade – 3.46″ drop point blade with a stonewashed finish.
- Reliable Dual-Action – Fires and retracts with a single-handed operation.
- Durable Construction – 6061-T6 aluminum handle with Mil-Spec anodized finish.
- Slim & Lightweight – Comfortable for everyday carry with a pocket clip for secure storage.
- Made in the USA – Precision-engineered for superior quality and longevity.
Specifications
- Action: Dual Action – Auto Fire/Retract
- Blade Thickness: 0.125″
- Blade Length: 3.46″
- Blade Style: Drop Point, Stonewash Finish, Plain Edge
- Handle Thickness: 0.640″
- Handle Material: 6061-T6 Aluminum Mil-Spec Hard Coat Anodize
- Closed Length: 4.84″
- Overall Length: 8.30″
- Pocket Clip Material: 301 Stainless Full Hard
- Standard Top: 6061-T6 AL Alloy
- Trigger: 303 Stainless Steel
- Made in the USA
Note: Blade steel type may vary based on availability (as per Microtech).
About Microtech
Founded in 1994 by Anthony and Susan Marfione, Microtech Knives is known for precision craftsmanship, cutting-edge innovation, and exceptional durability. Each knife undergoes rigorous hand-sharpening and quality testing to ensure peak performance.




















