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Home› Shop› Microtech Dirac Delta 227-1 T Automatic Knife
Microtech · Code 227-1 T

Microtech Dirac Delta 227-1 T Automatic Knife

★★★★★ 4,8 147 reviews Heureka verified
The Microtech Dirac Delta is one of the most robust OTF knives in the brand’s lineup. Thanks to its larger dimensions, solid construction, and reliable mechanism, it is a tool ready for demanding use. Dirac Delta – power, precision, and maximum performance without compromise. 🔥 Free shipping.
Knives Automatic knives

Detailed product description

The Microtech Dirac Delta 227-1 T automatic knife is a robust OTF model that takes the Dirac platform to a higher level of performance, size, and durability. It offers a combination of aggressive design, top-tier mechanism, and maximum reliability for tactical as well as demanding everyday use.

The Dirac Delta is a larger, heavier-duty version of the classic Dirac. It retains its characteristic front-facing switch, while adding a significantly larger blade and an overall more robust construction.

The dominant feature is the double-edged blade (Double Edge / Dagger), optimized for penetration and tactical character. This blade type is not primarily intended for regular EDC cutting, but it excels in defensive and specialized use.

As soon as you take the knife in hand, its solid and substantial construction immediately stands out. The Dirac Delta feels like a “full-fledged tool” — robust, confident, and extremely capable.

The Tactical (black) blade finish eliminates reflections and supports discreet field use.

The blade is made from premium M390 / M390MK® steel (Böhler M390), offering high edge retention, excellent corrosion resistance, and stable performance even under demanding use.

The OTF mechanism on the Dirac Delta is known for its firmer, yet extremely confident action, which increases safety and reliability during use.

The Dirac Delta is a knife that emphasizes performance and robustness — ideal for users who want a large and maximally reliable OTF without compromise.

Key parameters

Overall length cca 9.37" (23,8 cm)
Blade length cca 3.82" (9,7 cm)
Weight cca 4.09 oz (~ 116 g)
Clip yes
Steel M390 / M390MK®
Opening Front thumb slide
Steel hardness cca 60-62 HRC
Handle 6061-T6 aluminum (black)
Blade thickness cca 0.13" (3,2 mm)
Blade finish Tactical Black
Blade shape Dagger (Double Edge)
Grind Plochý
Production USA
Lock OTF double-action mechanismus

About Microtech

Microtech Knives is an American brand specializing in premium automatic knives.

Founded in 1994, it is among the leaders in OTF mechanisms.

The brand is known for precision workmanship, innovation, and an uncompromising focus on quality.

Character and philosophy

The Dirac Delta is designed as a high-performance OTF knife for more demanding use.

The dagger blade emphasizes its tactical character and penetrating capability.

Larger dimensions compared to the classic Dirac provide a better grip and more power.

The Tactical finish eliminates reflections and supports discreet use.

The front-facing switch offers unique ergonomics.

Key benefits

  • Large and robust construction
  • Extremely reliable OTF mechanism
  • Premium M390 steel
  • Tactical blade with high penetration capability
  • Unique front-facing operation

Possible limitations

  • Less practical for regular EDC cutting
  • Larger size and weight
  • Higher purchase price

Maintenance and care

Clean the mechanism regularly (compressed air)Lightly lubricate the internal partsKeep the blade clean and dryDo not expose it to dust and debrisCheck the screws

To maintain the maximum sharpness of premium steel, we recommend a quality sharpening system that allows precise and gentle maintenance.

This helps the blade retain long-term performance and reliable sharpness.

🛒 Available on our Moskito website.

Final verdict

The Microtech Dirac Delta is one of the most robust OTF knives in the brand’s lineup.

Thanks to its larger dimensions, solid construction, and reliable mechanism, it is a tool ready for demanding use.

Dirac Delta – power, precision, and maximum performance without compromise. 🔥

Customer reviews

All 147 reviews →
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147 reviews · Heureka verified
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