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Full Details

Twitch II

Satin      Drop Point      Straight


From its patented pass-through lock bar design to the assisted opening technology, the SOG Twitch series is the next generation of the classic lockback design. Invented by Spencer Frazer, the Twitch is a 21st century lock back featuring modern construction and technology on the simple, but time-tested lockback folder.

  • Uses
  • Everyday Use
  • Outdoor
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Blade details
Blade Shape [ Drop Point ]
Great all around blade shape, good for most outdoor and hunting tasks. Blade Shape
Blade Steel Type [ AUS-8 ]
High grade stainless steel with excellent edge retention and rust resistance. Blade Steel Type
Handle details
Handle Material [ Anodized Aluminum 6061-T6 ]
Machined aluminum with a hard-anodized coating. Lightweight and durable. Blade Handle Material
Handle Color [ Graphite ]
Locking mechanism
Locking Mechanism [ Lockback ]
A basic lock that uses a lockbar with spring tension to hold the blade in the open position. Blade Locking Mechanism
Edge type
Edge Type [ Straight ]
Single sharpened edge on the blade provides clean cuts and easy serviceability. Blade Edge Type

US   Metric

Overall Length 6.20" Closed Length 3.55"
Product Weight 2.60 oz Blade Length 2.65"
Blade Thickness 0.1" UPC 7-29857-99455-2
Product Family Twitch II Product Type Folding Knife
Locking Mechanism Lockback Opening Mechanism Assisted
Belt Clip Type Fixed Packaging Unibox - Display Ready
Engravable Yes Finish Satin
Edge Type Straight Blade Steel Type AUS-8
Blade Shape Drop Point Hardness Rc. 57-58
Handle Material Anodized Aluminum 6061-T6 Handle Color Graphite
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Full information


Implement with SOG Assisted Technology (S.A.T. ™), the Twitch is extremely quick to open with either hand using the double thumb studs or kick on the back. Its full metal construction is durable and sturdy. The clip can be used for low-carry or securing dollar bills and cards. Incorporated into the design is versatile safety lock that helps insure the blade will not open while being carried or close unexpectedly while in use. The SOG Twitch series is a great EDC with a variety of options to choose from.

Download User Guide

Download the Twitch product information brochure, including maintenance instructions, warranty information, component lists, and included accessories (if applicable).



    SOG Assisted TechnologyTM

    SOG Assisted Technology (S.A.T.) works through the balance of opposing high-tension coil springs. As you initiate the opening action, the force propelling your blade open becomes greater than the force keeping it closed. The result is a blade that springs open instantly once it is engaged, seemingly on its own.

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  • Customer Ratings & Reviews

    Twitch II is rated 4.6 out of 5 by 105.
    Rated 4 out of 5 by from Impressive piece This was on clearance at the local big-box chain store and I wasn't expecting it to punch so far above it's weight class. For 1/3 of MSRP, this thing is a true bargain. Not sure if I would pay MSRP for it, though. This thing is insanely sharp out of the package, can cut paper with just pressure, no slicing. Out of the package, the pivot was a bit sticky, as was the action for the safety slider, but with some light oil and working them, they seem to be loosening up and getting smoother. I like the heft of the knife and the tightness of the clip. Only changes I would suggest are to be able to change the position of the clip, ditch the thumb studs since this is assisted open with a pretty pronounced flipper and to smooth the pivots to keep it as slim as possible. Overall, nice, sharp, classy looking and going to be a regular part of my EDC rotation.
    Date published: 2017-09-05
    Rated 5 out of 5 by from My second purchase of a Twitch II The Sog Twitch II is a great carry knife. Exceptional spring steel type clip that does not loose its tensionI over time. I own two of these, one serrated, and one straight blade. I use these daily and they function flawlessly. Their are better blade steels available, but the Aus8 steel holds an edge long enough and sharpens to a razor edge in no time at all. The design was well thought out! The Sog Twitch II is possibly the best everyday carry I've ever owned and I've owned quite a few! I highly recommend!
    Date published: 2017-08-31
    Rated 5 out of 5 by from Perfect groomsmen gifts or everyday carry They make the perfect gift or everyday carry if you like a smaller knife.
    Date published: 2017-08-16
    Rated 5 out of 5 by from One of my top 3 Folders Was in Walmart looking for a cheap random lockback to throw in my pocket at work. I was delighted to see Twitch II has a pocket clip, and was so impressed with it's unique design and quality, I forked over the price on a momentary up-sold buying decision. This tiny beast locks up solidly, holds a great (and tough) edge, and grips pockets tenaciously. I get an (experienced) impression the steel is slightly soft but very tough. My only (very minor) complaints are that spring assist is almost uselessly weak, and a deeper pocket clip would make this thing OMG amazing. However, It's a lockback, I didn't buy it for spring assist, I bought the thicker spine for carving support, and the solid lock. This pocket knife is dense (heavy for size) that's a design feature and NOT a drawback. If you like featherweight knives, don't buy a spring assisted, safety locking lockback with metal handles and steel sandwiched double thickness locking mechanism. Personally, I Love it! Twitch II put SOG knives on my radar. Overall assessment. POSITIVES Design is incredible, build quality is good, The device is SOLID<<< heat treat is excellent for the purpose, ergonomics are great. NEGATIVES. Spring assist is poor, but helpful, Tolerances are slightly on the low side for blade alignment when OPEN (viewed point away, it's ever so Sliiightly warped). This has not affected cutting, and the pocket clip should sit deeper if possible. Personally rate at 4 and one half stars out of five compared to any pocket knife, and 6 out of 5 for price/value combination. Reviews like this are what happens when a writer/knife nut /should've been an engineer buys a pocket knife and really likes it.
    Date published: 2017-08-03
    Rated 5 out of 5 by from First SOG I ever owned, easy to use. First impressions are lasting impressions. This one lasts.
    Date published: 2017-07-09
    Rated 2 out of 5 by from Average I bought multiple knives as gifts for my groomsmen. Across all 4 its easy to see inconsistencies in craftsmanship. A couple needed adjustments out of the box and the assisted opening is still not operating as well compared to the others, they might fully open 8 out of 10 times. These were the first sog knives I have bought and will probably be the last unfortunately.
    Date published: 2017-07-05
    Rated 5 out of 5 by from Great Gift!! I think this is the 6th SOG knife I've purchased for my husband. The 4th Twitch II!! He loves the fact that he's able to send them back for sharpening and repair. That way he always has a SHARP knife! He's asked that I buy him one every year for Father's Great product! Love the personal engraving!
    Date published: 2017-06-28
    Rated 5 out of 5 by from Love mine I've carried pocket knives for years. Prefer them on the smaller side and with the pocket clips because I EDC. Most have fallen apart on me after a year or two. Read some good reviews on the Twitch and the Twitch II. Came across a display of them in a big box store so thought I'd give one a try. That was approximately a year ago. I love this knife. The edge is still great. I haven't had one issue. Still works as great as the day I bought it. If anything happens to this one, like I were lose it say, I would immediately buy another.
    Date published: 2017-05-31
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Pricing & Info


Engraving with text

$12 per engraving item

Engraving of two lines of text up to 24 characters per line. Fonts available are Arial , Times , Black Chancery , and Phoenix Script. Location of engraving will be on the blade near the handle and as large as practical for the blade it is being engraved on.

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Engraving with Logo/Graphic

More advanced designs such as company logos will require a onetime artwork setup fee of $50.00 in addition to the per engraving charge. Engravings that have large solid filled areas may require additional charges. For more information, please see section on camera-ready artwork requirements.

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What is not applicable logo/graphic to upload

We do not consider photocopies, business cards, faxes, letterhead or other imprinted products to be camera-ready artwork. Our art department can work from these items to create your finished artwork at an additional cost of $50.00 per hour.

Your final approval of a digital mock-up provided by SOG, which verifies the desired look and location of the custom engraving, is needed before proceeding. If you have questions about whether or not your file format will work, please contact us at customercare[at]

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Engraving Policy

  • We are not responsible for any mistakes or misspellings made by our customers.
  • Personalized laser engraved items are not accepted for return.
  • While we accept most engraving requests, we cannot honor every one. Some may contain trademarks or other terms that we do not have the right to use.
  • Others may contain material that we consider inappropriate or simply do not want to place on products. At times this obliges us to decline engraving requests that may otherwise seem unobjectionable. If your engraving request is deemed unacceptable, your order will be canceled and you will be notified via email.
  • SOG reserves the right to cancel any engraving requests after they have been submitted.
  • Prices are subject to change without notice
  • Engraving orders cancelled or changed during production are invoiced for all expenses incurred.
  • Every effort will be made to meet desired color (dark or light mark). However, due to variations in materials and coating, color results can fluctuate.

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Turn around time

  • Typically 2-3 business days after final approval (on in stock items).
  • For official time estimates and price quotes please contact SOG Consumer Services at 888-405-6433 x240 .
  • Rush service is available for all in-stock items. Please contact SOG Consumer Services for more information.

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All products engraved by SOG remain covered by the full SOG warranty. This does not cover misuse, abuse, or improper use. For more warranty information please visit the Warranty page. Replaced or repaired items under warranty will not be re-engraved.

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Trademarks & Copyrights

SOG Knives assumes clients are authorized to use trademarks and copyrighted materials presented to us for reproduction. Customers assume all liability resulting from trademark or copyright disputes.

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SOG Custom Engraving Policy:

Actual engraving may vary slightly from sample image. Every effort will be made to meet desired appearance. However, due to variations in materials and coating, results can vary within a reasonable tolerance.

Final text and image approval is as displayed. Please double-check your spelling as personalized laser engraved items are not accepted for return.

SOG reserves the right to reject any engraving request. Rejected requests may be due to unauthorized trademarks, copyrighted material, or inappropriate text.

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