Sal, will there be more Rex 121?
- Deadboxhero
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Sal, will there be more Rex 121?
Sal, was the Sage 5 just a "one and done" run or will there be more of this exotic material in the future in Spyderco knives?
-shawn
-shawn
Re: Sal, will there be more Rex 121?
Hi Shawn,
We have another run coming in. It's pretty amazing stuff. We don't know much after that. It's odd that a company capable of producing such a blend as REX-121, would not be able to cover costs? The folks that we know at Crucible are pretty smart people.
sal
We have another run coming in. It's pretty amazing stuff. We don't know much after that. It's odd that a company capable of producing such a blend as REX-121, would not be able to cover costs? The folks that we know at Crucible are pretty smart people.
sal
- Deadboxhero
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Re: Sal, will there be more Rex 121?
Well I'm glad to hear. I think you guys don't get enough credit for doing the impossible and making a production knife out of that material.sal wrote: ↑Sun Jan 12, 2025 10:56 pmHi Shawn,
We have another run coming in. It's pretty amazing stuff. We don't know much after that. It's odd that a company capable of producing such a blend as REX-121, would not be able to cover costs? The folks that we know at Crucible are pretty smart people.
sal
When I ground all of those CATRA blades for Dr Larrin's big CATRA test it really put into perspective how obstinate CPM Rex 121 is to grind.
It took six ceramic belts to grind a 2.5" test blade.
Meanwhile, 1095, 8670, 80CrV2 and O1 took one belt.
Blades per belt? Or belts per blade?
About Crucible, I was very disappointed when I heard the news about Crucible, but I am very grateful for people like Mr. Bob Shabala at Niagara Specialty Metals for doing whatever they can to make sure we still get the high performance knife steel grades we've come to appreciate and even a new one like the prototype steel that's been the buzz.
I think Crucible will always be very special, They did a lot of great things for the Knife community even though perhaps it must not have paid the bills for the infrastructure and overhead to be an area of focus.
Even at the end, it seems like Crucible is still working hard and doing what they can before the doors close rather than sulk in defeat. I guess we'll see what happens in February with the buyers.
Back on topic, with the next run in CPM Rex121 is it going to be another Taiwan made model? Anything in Golden?
Re: Sal, will there be more Rex 121?
The Model planned is the same.
I've been using a "Mule Team" made from the Proto-X grade. It's been quite impressive in use.
Bob Shabala and Niagara have been great. Trying very hard to minimize effect.
sal
I've been using a "Mule Team" made from the Proto-X grade. It's been quite impressive in use.
Bob Shabala and Niagara have been great. Trying very hard to minimize effect.
sal
- Deadboxhero
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Re: Sal, will there be more Rex 121?
That's good, I've never had a sage 5 before until now, I was very pleased with the smooth action and fit and finish. The design seems to fit nicely with many different day to day roles and I find it pleasing to the eyes and hand.
I agree, did anything stand out in use from your experience like for example compared to other steels you have been using?
World needs good people like that.
-shawn
- SpeedHoles
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Re: Sal, will there be more Rex 121?
Good question.
Incredible work, Sal, hope you know a lot of people do appreciate your efforts, even if not always spoken directly out loud.sal wrote: ↑Sun Jan 12, 2025 10:56 pmHi Shawn,
We have another run coming in. It's pretty amazing stuff. We don't know much after that. It's odd that a company capable of producing such a blend as REX-121, would not be able to cover costs? The folks that we know at Crucible are pretty smart people.
sal
Going back to Caly.
- WilliamMunny
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Re: Sal, will there be more Rex 121?
I will second that, one of the many things I love about Spyderco is pushing the envelope and get these exotic steels to the public. I mean, trying REX-121 in a production knife can't in any way be for profit, just the love of knives and sharing it. Not to mention conversations put out there like this for us to see from two greats.
I have not purchased REX-121 yet, but it's on a short list this year. Same with Proto-X grade, excited on that one too. Unfortunately, the mortgage needs to be paid, and kids want to go to college, so I have to space my knife purchases out.
I have not purchased REX-121 yet, but it's on a short list this year. Same with Proto-X grade, excited on that one too. Unfortunately, the mortgage needs to be paid, and kids want to go to college, so I have to space my knife purchases out.
Endura AUS-8, Manix 2 S30V, Manix 2 LW MagnaCut, BBB 15V Manix 2, BBB 15V Para 3 LW, Alcyone BD1N, PM2 Micarta Cruwear, Native 5 Maxamet (2nd), Para 3 Maxamet (2nd), Magnacut Mule, Z-Wear Mule, REC Para 3 10V Satin, Dragonfly Salt 2, GB2 M4, Pacific Salt SE H2, Dragon Fly SE H2, Endela K390 PE, Chaparral SE XHP, Shaman Micarta XHP, Bodacious SPY27, Manix 2 LW 15v, Sage 5 REX-121 LW.
Re: Sal, will there be more Rex 121?
This is usually where I'd say "oh great, I'd love this steel in a ______" but with this one being such a PITA to manufacture, I understand why it's being done on a smaller knife blade.
~David
Re: Sal, will there be more Rex 121?
WilliamMunny wrote: ↑Mon Jan 13, 2025 9:35 amI have not purchased REX-121 yet, but it's on a short list this year. Same with Proto-X grade, excited on that one too. Unfortunately, the mortgage needs to be paid, and kids want to go to college, so I have to space my knife purchases out.
Hi WilliamMunny,
Family first.
sal
- cabfrank
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Re: Sal, will there be more Rex 121?
RustyIron, sal says the model will be the same.
Re: Sal, will there be more Rex 121?
When I was chatting w Farid during his REX121 K2 and mule runs, he told me he would go through 8 belts per K2, and still had to leave the cold-rolled finish on the flats.Deadboxhero wrote: ↑Sun Jan 12, 2025 11:24 pm
...
It took six ceramic belts to grind a 2.5" test blade.
Meanwhile, 1095, 8670, 80CrV2 and O1 took one belt.
Blades per belt? Or belts per blade?
...
After I got them, I decided to convex the edge. That took a while too, lol

Ti junkie. Steel snob. Voids warranties.
Re: Sal, will there be more Rex 121?
I have not heard of this Proto-X grade steel, can someone enlighten me?
Re: Sal, will there be more Rex 121?
(Quietly buying all the Rex 121 knives I can find)

MNOSD 008


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Re: Sal, will there be more Rex 121?
Don't miss Blades Canada, they have them in stock there too. We all want one but at $400. you can roll by scoop em up.
Spyderco: Tenacious G10, Waterway, Para 3 Spy27, Pacific Salt H1, Catcherman, In the Mule Team Stable(Z-Max, Z-Wear, S45VN, Magnacut, SRS13/SUS405, M398, Aeb-l, 15v)
- WilliamMunny
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Re: Sal, will there be more Rex 121?
I am 90% sure that 10% of the time they are referring to Larrin's new steel. From what has been said it will be stainless and focus more on edge retention. Possibly something along the lines of a stainless K390.
Take it with a grain of salt as I am just making an educated guess here based off comments on this forum.
Endura AUS-8, Manix 2 S30V, Manix 2 LW MagnaCut, BBB 15V Manix 2, BBB 15V Para 3 LW, Alcyone BD1N, PM2 Micarta Cruwear, Native 5 Maxamet (2nd), Para 3 Maxamet (2nd), Magnacut Mule, Z-Wear Mule, REC Para 3 10V Satin, Dragonfly Salt 2, GB2 M4, Pacific Salt SE H2, Dragon Fly SE H2, Endela K390 PE, Chaparral SE XHP, Shaman Micarta XHP, Bodacious SPY27, Manix 2 LW 15v, Sage 5 REX-121 LW.
Re: Sal, will there be more Rex 121?
Well if making knives doesn't pan out for this guy he can move over to sales because I just ordered one of the G10 versions.
- WilliamMunny
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Re: Sal, will there be more Rex 121?
No joke, if Spyderco and BBB put a big BB... in a box I would still probably by it.
In all seriousness it comes from trusting these guys. If Sal and Shawn put their name on it, you know it's not junk.
Endura AUS-8, Manix 2 S30V, Manix 2 LW MagnaCut, BBB 15V Manix 2, BBB 15V Para 3 LW, Alcyone BD1N, PM2 Micarta Cruwear, Native 5 Maxamet (2nd), Para 3 Maxamet (2nd), Magnacut Mule, Z-Wear Mule, REC Para 3 10V Satin, Dragonfly Salt 2, GB2 M4, Pacific Salt SE H2, Dragon Fly SE H2, Endela K390 PE, Chaparral SE XHP, Shaman Micarta XHP, Bodacious SPY27, Manix 2 LW 15v, Sage 5 REX-121 LW.
Re: Sal, will there be more Rex 121?
sal wrote: ↑Sun Jan 12, 2025 10:56 pmHi Shawn,
We have another run coming in. It's pretty amazing stuff. We don't know much after that. It's odd that a company capable of producing such a blend as REX-121, would not be able to cover costs? The folks that we know at Crucible are pretty smart people.
sal
Is Spyderco done with Rex 121 now? As far as I can see there are zero available anywhere other than the secondary market but they aren’t showing as discontinued. It wouldn’t break my heart because I have both although I’d buy another LW to keep as new.
Spyderco Lil’ Temperance 3 K390, Spyderco Sage 5 G10 Rex-121, Spyderco Para 3 G10 15V, Spyderco Para 3 G10 Maxamet, Spyderco Sage 5 LW S30V, Spyderco Sage 5 LW Rex 121