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Microtech Blue Ultratech OTF Auto Knife, Stonewash Drop Point Blade

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This Microtech Ultratech OTF knife, the 121-10BL, features a contoured blue handle complete with standard hardware and an integrated glass breaker function along with a stonewash finished M390 drop point blade.

The Ultratech without question has been Microtech's flagship out the front auto knife since its induction in 1999. Recently it has gone through an additional aesthetic redesign after the overwhelming success and praise of the traditional styling. While the dimensions of the Ultratech remain unchanged, the handle has been stripped back down to its original roots--now offering a smooth contoured chassis, however still boasting the tri-angle hardware, a redesigned thumb slide and the glass breaker that now includes a press fitted ball bearing for a more comfortable, but still functional, user experience. Each Microtech OTF knife has extremely sophisticated internal mechanisms which improve the overall operational functionality and reliability.

Made in the USA.


  • Blade Length: 3.375"
  • Overall Length: 8.375"
  • Blade Material: M390 Stainless Steel
  • Blade Finish: Stonewash
  • Blade Style: Drop Point
  • Handle Length: 5"
  • Handle Material: 6061-T6 Aluminum
  • Handle Color: Blue Anodized
  • Weight: 3.2 oz.
  • Made in the USA


  • ultratech

    Posted by Bob on Oct 6th 2023


    Nice, well built knife. It's a little small in the hand...more the feel of a gentleman's knife due to the slim handle. Trying it out for an EDC.