SOG Flash I Pocket Knife (Satin Plain Edge)

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The Flash I is one of the most renowned tactical pocket knives around. Using SOG's patented assisted-opening technology, the knife features a mechanism that propels the blade into action once you start to engage it. That means the blade deploys as fast as a bullet and as smooth as silk.

The blade itself is 2.5 inches and made of AUS8 stainless steel with a satin finish. The piston lock releases easily with a sliding button, while the safety lock ensures the blade only engages when you want it to.

With its contoured shape, the glass-reinforced Zytel handle is not only durable but comfortable. The grip is reliable enough to use in all types of environments.

Brand: SOG Knives
Model Number: FSA7
Catalog Number: 317961
Closed Length 3.25 inches
Blade Length 2.50 inches
Blade Material Stainless Steel (AUS8)
Blade Edge Plain
Point Drop Point
Lock Type Piston lock
Assisted Open Yes
Handle Material Zytel
Total Length 5.75 inches
Blade Color Silver/Gray
Sheath Included No
Pocket Clip Included Yes
Knife Type Folding
Knife Weight 2. ounces
Handle Color Black
Country of Origin Taiwan
SOG Knives Logo
More SOG Knives Items

Some manufacturers simply produce knives. At SOG, we create style through craftsmanship. Our purpose is to combine advanced technology, imaginative designs and high-quality construction to create products of the highest caliber — products that enhance your life. This is the philosophy you share with us each time you choose a SOG product.

SOG originally stood for Studies and Observation Group, an elite joint services military group designed for covert operations in the Vietnam War. Sanctioned to develop and purchase their own equipment, SOG created a knife for use in one of the harshest environments in the world. It is in the spirit of this elite group that SOG Specialty Knives was founded.

Totally committed to creating the world's finest specialized knives and tools, SOG became the first knife manufacturer to expand its line to include a broad scope of fixed blades, folding knives and multipurpose tools. Each product is created by Cofounder and Chief Engineer, Spencer Frazer. His patented inventions and unique, futuristic style have earned SOG many awards and Frazer the recognition as an industry innovator and premier designer.

Today, SOG products are distributed around the world and renowned for their uncompromising style and performance.

Video of the engraving process

Looking for a way to give your knife an extra dash of pizzazz? At Knife Depot, you can customize any of our 10,000 knives with an inscription or logo. The cost is $19.99 per knife for up to three knives with the same inscription. If you want four or more knives with the same inscription or logo, it costs $5.99 per knife. Click here for more information about our engraved knives.

Want to get your engraved knife even faster? Our Quick Ship personalized knives program features a selection of popular knives that are ready to be engraved and shipped right away for less.

Got questions about our knife personalization? Give us a ring at 1-800-248-1987 or email us.

engraved logo knife example
Logo Engraving
engraved silver knife example
Text Engraving (Silver Blade)
engraved black knife example
Text Engraving (Black Blade)

More Info

S.A.T. (SOG Assisted Technology) is the brainchild of world famous designer Spencer Frazer: I had this feeling that I could devise a whole new technology to help open a knife blade quickly. S.A.T. allows right-handers to use their left hand equally well to open a folding knife (of course this works the same for lefties). It is also advantageous as well in case someone has an injured hand or is not adept in opening a knife easily. Gary Drake, a top defensive tactics instructor who works with SWAT teams and other special ops, states that unlike a switchblade knife, S.A.T. allows for a positive knowledge of where the knife blade is. Switchblades can sometimes get hung up in loose clothing or not open fully for a variety of reasons. This is a problem for law enforcement personnel. With S.A.T., since your finger is on the knife blade, you know if there has been a mishap and can immediately correct it. There is also the factor. We find that people who get used to S.A.T. get accustomed to its practicality and will choose it over other companies\' conventional mechanisms.

All of this magic is accomplished with a simple principle. There is a constant force to open a blade and a variable force that wants to close the blade that we call suck back. As one opens the blade the force to propel the knife open becomes greater than the closing force and the blade will open on its own. The beauty of this is that we have come up with several mechanisms to accomplish this, says Spencer. The Flash knives use a piston lock, the Blink uses a lock back, and the Twitch knives use a lock back with a pass-through lock bar. These are just a few of the mechanisms that we are working on that are covered under the multiple patents. Most of the opening springs we are using are high-tension coil springs. These springs work through the entire range of opening (180 degrees). This insures reliability.

Of particular interest is that S.A.T. has allowed us to transform the standard lock back knife, which is one of the oldest known knife locks on the planet, and take it into the 21st century. The simplest designs are sometimes the hardest to figure out,Ãï¿1/2Ã\'¯Ãï¿1/2Ã\'¿Ãï¿1/2Ã\'Â1/2 according to Spencer, but this is a great one. S.A.T. allows us to use locking mechanisms that are stronger and more reliable than the conventional liner locks and that are easier and safer to use. This is definitely one of the pluses of S.A.T., since a knife is only as good as its lock. Also our locks are much easier to access ambidextrously (we haven\'t forgotten about you lefties!).

Spencer had the foresight to develop integrated blade locking safeties in conjunction with S.A.T. The Flash Series has a safety engineered into the handle. This prevents the blade from being able to be opened and can be used for extended carry applications. When you see red on the are ready to go. The Blink and the Twitches also have this feature. A slim sliding switch on the back of the knife gives the user additional insurance. This mechanism coincidentally affords one the luxury to use the safety when the blade is in the open position. In other words the lock back can be additionally locked (two locks in one). Awesome!

The Flash series, Twitch XL and the Blink also incorporate our new, patented bayonet clip that allows for virtually invisible carry, placing the knife deep in the pocket. This helps minimize any chance of the knife falling out and being lost. This clip is easily interchangeable from side to side (have we mentioned that we haven\'t forgotten about you lefties?).

SOG is known for producing high quality knife and tool products. The S.A.T. family of products is produced in the US to extremely high standards & tolerances and is warranted for life.

SOG is enjoying a lot of success lately with its innovative products, S.A.T. being just one of them. S.A.T. has currently been employed in small compact gentleman\'s knives as well as full size utility folders, but the trick has been to produce these innovations at mainstream prices.

Customer Reviews

Average Rating:
By Bill T. from Frenchtown NJ
April 22, 2016

Great knife. Light, slim and extremely durable/strong. You can't feel it in your pocket which for me is important. I use it multiple times every day. My favorite pocket knife!

By Jason P. from Wisconsin
March 23, 2009

The SOG Flash I is an excellent knife! It combines reliability and durability with top-notch build quality. The 2.5" AUS-8 steel is a medium quality steel that should serve everyday users well. As well as the lightening quick S.A.T system, the knife comes with a bayonet style clip which allows for discreet carry. All in all, the SOG Flash 1 in Zytel Handle is an excellent everyday carry blade that will serve any prospective buyer well.

By John S. from Los Angeles, CA
January 31, 2008

The knife is cool.

By Kevin F. from Westport, WA
October 13, 2013

Love the knife! Smooth action, lightweight, holds its edge very well.

By Tdog S. from Englewood, CO
July 12, 2011

I like to think I know a quality knife when I see one and this one is. The Zytel handle makes it very light yet the steel is heavy duty. For a pocket knife its perfect for small jobs. I like the assisted blade and the blade safety lock mechanism. The blade doesn't wiggle where it meets the handle. I will be getting another SOG when I can afford it.

By Howard C. from Valley Center , CA
November 27, 2006

Light weight, opens quickly. Very nice pocket knife. Takes practice to close with one hand.

By Tom C. from Blair Ne
January 27, 2017

ordered 2 SOG flash knives as gifts for Christmas extremely disappointed with quality of knives thought I was getting something made in usa first thing I saw on box made in Taiwan don't be fooled cheap knives. should have saved my money

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