Relentless M4X  chosen out of 30 knives
to be the Official knife of  Marvel Comic book
character The Punisher 
and appeared in the 2008 Lions gate
Production of  Punisher War Zone

Special Edition  Movie Knife
M4X  Special Edition Movie Knife 3V steel
Order Yours today
Relentless M4X Punisher knife in the hands of Ray Stevenson in 2008 Lions gate Movie Punisher War Zone
Jon Barton Tactical Media Productions
Also  we think Lexi Alexander is 10X and the best director worldwide.
She owns a Relentless Knife.....!
Click her photo to read her blog.  See her latest movie Lifted on NetFlix
read archived Relentless Enews Punisher War Zone Movie Edition
Help the familys of U.S. Marines and Law Enforcement officers who have made the ultimate sacrifice for their country.
visit the Punisher Knife web site
Relentless Knives USA Industrial Strength Military Survival knives

Available Knives
A few Relentless knives which are  ready to ship appear click  Available knives page. for specs,prices and purchasing.
CHECK out our  Available Knives page

Click here

A good sturdy knife can allow
you to escape from your burning motor vehicle.
Bush Craft is long term
survival, over coming your environment with
little or no equipment., and no foreseeable rescue. Either way,
a knife that resists breakage with good edge holding  and ability to adapt to a wide variety of tasks
could be your most valued companion.
Check out the Catalog and Details page for a variety of models, and details on steel, options, ordering instructions etc.

Relentless Knives Newsletter
In a situation of no re-supply,
your knife could become more valuable than a truck load of gold.

Contact Pablo at!
Medal of Excellence Awarded to
Relentless Knives by 10th Mtn Div. U.S. Army,

Camp Liberty, Iraq 2006
Relentless Knives Catalog
On line catalog.  Order Your knife
Available Knives
A few knives ready to ship
Sheath Catalog
We can make a sheath to fit your knife
Reviews and Tests
Relentlessly  bringing You the best
Support Our Troops
Military Award Program
The Relentless Knives  E news is published
and written by Daniel M. Certo.
Knife Tests and Reviews By: LT Col. Ian Humphrey.
Other writings by various contributors..
All information is protected by U.S. Copyright, Trademark
and Patent laws.
Send us your questions, comments and or articles.
Contact us
Thanks for reading the E news.
  Committed to Excellence
   Designed  for Maximum Efficiency                            

  Tested by Professional Soldiers

Relentless Knives,have found their way all over the world.
In many places the term relentless
is more than a brand name on a knife.
Websters  Dictionary defines the term
re-lent-less; Unmoved by love or pity: Unceasing, as without mercy.  A tough word, for tough people, needing tough equipment.
Thanks to the men and women of the U.S. Armed Forces and others, for their relentless pursuit of protecting  freedom, and using
Relentless Knives to help them  along their way.
Visit  the  MAP page
Victory to the American SOLDIER!
TIP: spray a bit of P.B Blaster on a 1" square of steel wool
Then spark it with your fire steel,
Burns Hot even in strong wind
Relentless Knives M4 Wolverine
Relentless Knives M2 Scorpion
Relentless Knives M9 Raptor
Get a Relentless Knife
The Punisher Collection
Relentless Knives M1 Commando
Relentless Knives History
Relentless Knives M3 Wolverine T
Relentless Knives  EDC knife
What about the HISTORY pages?

Yeah, In Jan 2016 we announced a History of Relentless knives
Well....still working on it.
20 years and over 40,000

Stay tuned.
Available Knives
A few Relentless knives which are  ready to ship appear click  Available knives page. for specs,prices and purchasing.
Relentless Knives Botswanna Bush Ranger
Relentless Knives M4 Ranger
Each knife is Zone Tempered, a process used by Japanese Samurai sword makers for thousands of years, results in a super strong blade, with spring temper in the core and 58rc hardness on the cutting edge. This gives you a knife that resists breakage even with the application of great lateral forces,that will hold an edge well, and resharpen easily. You get, superior strength and durability and heavy last ditch personal protection in a handy all around utility knife that you will love.
We are building a completely NEW web site.  Will fit you phone, tablet, laptop and desktop so please pardon
the fallout
Relentless knives believes in the Protection and Defense of the Constitution of the United States of America  By Peter Ferrara, an associate professor of law at the George Mason University School of Law.
September 25, 2001 9:20 a.m. National Review
To Kill an American
You probably missed it in the rush of news last week, but there was actually a report that someone in Pakistan had published in a newspaper an offer of a reward to anyone who killed an American, any American.
So I just thought I would write to let them know what an American is, so they would know when they found one.
An American is English, or French, or Italian, Irish, German, Spanish, Polish, Russian or Greek. An American may also be Canadian, Mexican, African, Indian, Chinese, Japanese, Korean, Australian, Iranian, Asian, or Arab, or Pakistani or Afghan.
An American may also be a Comanche, Cherokee, Osage, Blackfoot, Navajo, Apache, Seminole or one of the many other tribes known as Native Americans.
An American is Christian, or he could be Jewish, or Buddhist, or Muslim. In fact, there are more Muslims in America than in Afghanistan . The only difference is that in America they are free to worship as each of them chooses.
An American is also free to believe in no religion. For that he will answer only to God, not to the government, or to armed thugs claiming to speak for the government and for God.
An American lives in the most prosperous land in the history of the world. The root of that prosperity can be found in the Declaration of Independence , which recognizes the God given right of each person to the pursuit of happiness.
An American is generous.
Americans have helped out just about every other nation in the world in their time of need, never asking a thing in return.
When Afghanistan was over-run by the Soviet army 20 years ago, Americans came with arms and supplies to enable the people to win back their country! As of the morning of September 11, Americans had given more than any other nation to the poor in Afghanistan.
Americans welcome the best of everything...the best products, the best books, the best music, the best food, the best services.
But they also welcome the least.
The national symbol of America , The Statue of Liberty , welcomes your tired and your poor, the wretched refuse of your teeming shores, the homeless, tempest tossed. These in fact are the people who built America .
Some of them were working in the Twin Towers the morning of September 11, 2001 earning a better life for their families. It's been told that the World Trade Center victims were from at least 30 different countries, cultures, and first languages, including those that aided and abetted the terrorists.
So you can try to kill an American if you must. Hitler did. So did General Tojo, and Stalin, and Mao Tse-Tung, and other blood-thirsty tyrants in the world. But, in doing so you would just be killing yourself. Because Americans are not a particular people from a particular place. They are the embodiment of the human spirit of freedom                          
Support Our Troops
Visit the MAP page
See Relentless Knives in the 2008 Action Movie..Punisher War Zone visit
Manhattan NY
A few Relentless knives available at:
Created by Daniel M. Certo
All information is protected by U.S. Copyright, Trademark and Patent laws.
Knife collectors write to me  wanting to know if I can identify or certify a knife.  Making a photo history has been a goal since I started making knives.  So here goes. There will be many knives not pictured at first as I have accumulated  far more photos than expected.
Some very early  Knives by Daniel M. Certo with
various handles, various steels, bear this mark made with steel stamp 3 D's. Some times the D's are not so close together as back then the stamp was just rotated three times. Note: All of these knives were hand forged over a coal fire, not just to make better knives, I had no pro knife grinder so the steel had to be reduced with the hammer.
Knives and the Second Amendment Published

Knives and the Second AmendmentThe first detailed scholarly analysis of knives and the Second Amendment has been published in the University of Michigan Journal of Law Reform (vol. 47, pages 167-215). Authored by noted Second Amendment scholars Dave Kopel, Clayton Cramer and Joe Olson, the paper makes the case for knives as "arms" protected by the Second Amendment, supporting one of Knife Rights' foundational tenets.

Knife Rights applauds these scholars for this long-overdue effort. This is a great start on the sort of scholarly work that needs to be done to assist in potential legal cases down the road. The arguments made and supported in this article will also support our legislative efforts to roll back knife bans and oppose proposed new restrictions on knives.

For more details and a link to the complete article Knives and the Second Amendment, click on "Read More>>>>" below.

Read More >>>

Kopel writes in his blog: The Second Amendment guarantees the right to keep and bear “Arms”-not solely “firearms.” While firearms have always been the paradigmatic Second Amendment arm, there are many other types of arms which are protected by the Second Amendment. By far the most common of the other arms are knives.

        Under the Supreme Court’s standard in District of Columbia v. Heller, knives are Second Amendment “arms” because they are “typically possessed by law-abiding citizens for lawful purposes,” including self-defense.

        There is no knife that is more dangerous than a modern handgun; to the contrary, knives are much less dangerous. Therefore, restrictions on carrying handguns set the upper limit for restrictions on carrying knives.

        Prohibitions on carrying knives in general, or of particular knives, are unconstitutional. For example, bans of knives that open in a convenient way (e.g., switchblades, gravity knives, and butterfly knives) are unconstitutional. Likewise unconstitutional are bans on folding knives that, after being opened, have a safety lock to prevent inadvertent closure.

The article provides an explanation of various types of knives, of criminological evidence regarding knives, and of the 19th century panic and case law about Bowie Knives and Arkansas Toothpicks. We then apply the Second Amendment to modern knife laws. We cover the utility of knives for personal self-defense and for militia use, and the constitutional significance of technological changes in knives since 1791. Finally, the article considers some modern prosecutions, statutes, and cases from Washington, Oregon, Indiana, New York, and D.C. We conclude that even under the weakest relevant standard (intermediate scrutiny), blanket bans on the carrying of knives (or of certain types of knives, or of knives with a blade longer than a particular length) as well as bans on the home possession of some types of knives violate the Second Amendment. See the complete blog post at:

The complete article can be downloaded at:
by:Doug Ritter of Kniferights.Org
please SUPPORT  Kniferights.Org
Warm Thanks to YOU my wonderful customers, past, present and future.

Have a safe and Happy Holiday Season
We make Kydex
or leather  sheaths for your knife email for details
I am Active duty Army, currently stationed in Kuwait. I was drawn to your site while looking for a good custom knife on the internet. I have been drawn to TOPs knives in the past, and they are a great company, but I was really looking for something that not only looked like a custom knife that I could pass down; but something that could be used real world. Because of the work I do, it is an absolute necessity that the tools I use be the very best. Being in the Army however means you don't always get the best and you work and adapt with what you got, or you buy what you need out of your own pocket.
I saw your site, WOW. I'm looking forward to getting one of your great knives. Right now I'm looking at the M1 Commando;. Hopefully I will be able to order by the end of the year, but my question is; are all of the knives you make one-of-a-kinds or would I have to request a custom job to get what I am looking for if it sells to someone else?
Great site, I am very impressed.
Dave: Hi,and Thanks for your interest in my work, and kind words.

To answer your questions. I think the definition of Custom is the key here.
First, each of my knives is completely handmade in my shop by me.
this varies considerably from the TOPs knives method, which employs
many people, each doing a bit of the process.
The advantage of my method is that I know your knife far better than TOPs can know their knife. Sort of like the difference in the relationship between a parent and his child, and a school teacher and one of their students. Or something like that.
Next, I have a catalog of knife styles that I make on a regular basis, and do my best
to make each one look as much like the photo in the catalog as possible.

This simplifies things on my end, because you simply say make me an M1 Commando, and I do it. Your knife when finished looks like the knife in the photo and the spec's are listed there etc. Is it a Custom knife.....that's where the definition come in.   I term Customs as knives made to the Customers spec's and also offer that service at slightly increased prices.

So when I make a Custom knife it means that you tell me what you have in mind,
then I make a sketch or work from your sketch for the shape and size. Then we
pick from available blade grinds, heat treatments handle materials etc so that your
vision or as close as possible becomes the knife in your hand. I do suggest a few guidelines that insure your knife will have the same strength and durability that makes for a Relentless knife, but other wise it's full out up to you.
This process of course takes a bit longer as we have to work together until everything is
the way you want it. It also takes more time because these knives are not part of my regular schedule, and get even more attention.
The difference in price is around $125.00 which includes a $50.00 drawing fee that gets you as many drawings as required to compete that part of the process.
You can look at any knife in my catalog that is the approx size of what you might want, and use that price as a base +$125.00
Of course there are options which would make your knife more than that which could include extra special heat treatments or exotic handle materials, custom etching etc.
The results of the above are a one of a kind knife with all the strength and durability of my cataloged knives but with your very particular wants and needs is just about every aspect of the knife.
Finally I offer Customization to my cataloged models which would include different than listed blade lengths, handle materials and other slight changes that are not nearly as extensive as the above described Custom knife, but still allowing you to alter the current specifications to better fit your needs.
This type of service is not nearly as expensive or time consuming, with extended blade lengths running about $10.00 per inch  and different handle materials or slight changes being in the same type price range etc.etc.
We are building a completely NEW web site.  Will fit you phone, tablet, laptop and desktop so please pardon
the fallout
FEB 2017  catalog will have some great NEW models

From:2007 Relentless Knives Newsletter

Congratulations to Capt. Ian Humphrey U.S. Army. He has been promoted
to Major.   He has been testing RELENTLESS KNIVES  for  several
years now in his spare time in an effort to  make these knives the best they can be.

I am proud to know the man, and  you should be too.   
The Army  has made a wise choice in Major Humphrey.  His work  here
has been miticulous, and persistant.  His efforts have resulted in a stronger, more useful product than ever.
Relentless Knives USA Salute's you Major Sir. Thanks for all the Great work here, but mostly Thanks your service to our great country and for your work in the preservation of the freedom of  throughout the world.
So what ever happened to Major Humphrey? Is he still testing your knives?

Major Humphrey is now Lt. Col Humphrey, and did lots of real life hard use testing and writing here for almost 10 years.
He is still in the Army and doing well.  After his promotion,
his MOS changed  and he has been flying all over the country and world in service to the Army and our country.
His children also have grown and his time constraints
tighted considerably. So for now he remains a consultant
and hopefully will be back in the woods when he retires.
SALE...Order any knife from the Catalog page and get 20% off your total.
SALE...Buy any 2 knives on the Available knives page and get 20% off your total.
SALE ENDS 12-11-16 Midnight