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Microtech Dirac Delta D/E Satin Standard 227-4



  • Overall Length:9.25″
  • Blade Length:3.75″
  • Cutting Edge:3.50″
  • Blade Width:0.75″
  • Blade Thickness:0.12″
  • Blade Material:204P
  • Blade Style:Dagger
  • Blade Grind:Flat
  • Finish:Satin
  • Edge Type:Plain
  • Handle Length:5.50″
  • Handle Width:1.00″
  • Handle Thickness:0.50″
  • Handle Material:Aluminum
  • Color:Black
  • Weight:4.55 oz.
  • User:Right Hand, Left Hand
  • Pocket Clip:Tip-Down
  • Knife Type:Double-Action OTF Automatic
  • Opener:Thumb Slide
  • Brand:Microtech
  • Model:Dirac Delta
  • Model Number:227-4
  • Country of Origin:USA
  • Best Use:Everyday Carry
  • Product Type:Knife

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This Microtech Dirac Delta features a 3.75″ dagger blade with a Satin finish. The handle is Black anodized 6061-T6 aluminum with satin hardware and thumb slide.

Microtech has scaled up their popular Dirac OTF model with the full size Dirac Delta. As their first OTF series with a thumb slide on the face of the handle, as opposed to the side, the Dirac is a hard-hitting double-action OTF meant for everyday carry. The contoured aluminum handle is similar to their H.A.L.O series and provides excellent comfort and control. Of course, it wouldn’t be complete without Microtech’s signature glass breaker and deep carry pocket clip. If you are a fan of OTF knives and enjoy quality made products, the Microtech Dirac Delta is the perfect candidate.


  • Ergonomic front-loaded thumb slide offers smooth one-hand blade deployment.
  • Lightweight aluminum chassis with jimping and contouring for a sure grip.
  • Deep carry pocket clip, attached with a sturdy window breaker tip for secure carry.


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