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SOS Knives Black OTF Knife, Satin Tanto Blade

MSRP: $149.00
(You save $50.00 )
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The SOS Knives double-action Out the Front features fast, tight action.

The 3" satin finished, tanto point D2 blade opens and closes with a slide of the spine trigger. The tolerances on this OTF are incredible.

The blade anodized aluminum chassis has curves and jimping in all the right places to give you a comfortable grip. The distinctive SOS logo is engraved on the spine.

All hardware is black and the clip is tip down.

Comes with a nylon sheath.



  • Blade Length: 3.00"
  • Overall Length: 7.50"
  • Handle Length: 4.375"
  • Blade Material: D2
  • Blade Finish: Satin
  • Blade Style: Tanto Point
  • Handle Material: 6061-T6 Aluminum
  • Handle Color: Black
  • Action: Double-Action Out the Front auto (fires and retracts with slide)
  • Weight: 3.60 oz.
  • Comes with Nylon Sheath


  • Great for the price

    Posted by Anthony on Feb 26th 2024


    I'm only giving this 4 stars because the knife came with loose screws. Action was kinda stiff at first with a gritty push and a smooth pull to close. After about 50 cycles of the action it's getting better. So far 100% RELIABLE!!!! Blade is perfect. The tanto grind is symmetrical on both sides and came razor sharp. I would recommend this knife to anyone looking for a good quality otf for under $100

  • SOS Tanto otf

    Posted by Charles W. on Aug 24th 2023


    Great knife, the only issue I had was a screw backing out. I let them know and they responded quickly, said they would ship a new screw. I went ahead and added some loc tite to the rest. The knife operates flawlessly and is razor sharp. I highly recommend it.

  • SOS Tanto OTF

    Posted by Corpsey on Aug 24th 2023


    So good I bought a second one to leave in the truck.

  • Awesome otf

    Posted by Mike on Aug 5th 2023


    It's an awesome otf. Slices real nice and doesn't feel cheap. I'm not a huge fan of tanto shaped knives but this one I don't mind at all. If you're undecided if you should get one or not, just do it just wish the other blade style was available to also buy.