Customer Reviews for Stanley® FatMax® 10-778 Retractable Utility Knife, 6 5/8"
Item # : 198189
Model # : 680-10-778
6 5/8" long retractable utility knife features slip resistant ergonomic grip with adjustable locking thumb dial and rear blade storage.
- Thickness: 7/8"
- Material: Blade - steel, knife - metal with rubber grip
Price is $21.79
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Over 30
55 reviews
Most helpful positive review
Posted Sep 8, 2024
I don’t understand the bad reviews on this knife?
Yep, I love this knife! Quick change works great and there’s room for extra blades in the handle.
VS
Most helpful critical review
Posted Mar 28, 2025
No manual
How do you change the blade? It would be good to have this information on your website
Nung
Reviewed at:
Stanley ANZ
Posted Mar 28, 2025
No manual
How do you change the blade? It would be good to have this information on your website
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not pleased
Reviewed at:
stanleytools.com
Posted Nov 3, 2024
need better instructions & design
I thought this would be an upgrade from the standard utility knife and paid more for it. However 2 complaints: 1) The instructions are minimal and installing a blade according to the instructions (with help of a youtube for similar model) didn't work. The blade disappeared into the body of the tool but I could not retrieve it and could not find a screw driver to take i...
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Response from Staples :
Hello. Thank you for taking the time to provide your feedback. Your feedback is valuable as we take into consideration every piece of feedback that we come across. I will pass this along to our product team for review. It is feedback like yours that allows us to make improvements.
Thanks
Stanley®
Social Media Team
November 8, 2024
Oralene
Reviewed at:
stanleytools.com
Posted Oct 13, 2024
What do I use this item for?
Like so many other people have indicated this utility knife is of little use. I can't change the blade. The blade that is in there sticks out about an 1/8 of an inch, and I can't get it to move, and can't replace. I did finally get the compartment where the blades are open after taking a knife and wrench to it. Not sure what the red button is for, because pushing it...
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Response from Staples :
Hello Oralene I appreciate your feedback on the 10-778 Utility Knife, and I'm sorry to hear about the issue you are having with the blades. Your satisfaction is our top priority. We will be reaching out to you with the email provided to assist you further.
Lee, October 15, 2024
Bradley82
Reviewed at:
stanleytools.com
Posted Sep 8, 2024
I don’t understand the bad reviews on this knife?
Yep, I love this knife! Quick change works great and there’s room for extra blades in the handle.
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MrTH
Reviewed at:
stanleytools.com
Posted Aug 16, 2024
Substandard
Piece of garbage, watched videos, blade now stuck!
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Response from Staples :
Hello MrTH, I appreciate your feedback on the 10-778 6-5/8 in FATMAX® Retractable Utility Knife and I'm sorry to hear the blade is stuck. Your satisfaction is our top priority. We will be reaching out to you via email at the address you have provided to assist you further.
Thank you, Roxy
August 20, 2024
fatmax3
Reviewed at:
stanleytools.com
Posted Dec 26, 2023
Don't buy
discontinue this piece of crap. too hard to add and change blades. doesn't open up and you have no thorough docs - c'mon Stanley
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Response from Staples :
Hello fatmax3, I appreciate your feedback on the STANLEY 6-5/8" FATMAX Retractable Utility Knife and I'm sorry to hear you are having trouble with changing the blades. Your satisfaction is our top priority. We will be reaching out to you via email at the address you have provided to assist you further.
Thank you, Roxy STANLEY
December 26, 2023
Monkeyhater
Reviewed at:
stanleytools.com
Posted Apr 14, 2023
Great cutter
Have used this cutter for years! Never had a problem. Easy to change the blade. A monkey could do it!
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Stanleynife
Reviewed at:
stanleytools.com
Posted Apr 10, 2023
Stanley Knife
Comfortable to use. Easy blade storage. Could be easier to change out blades.
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MarMontana
Reviewed at:
stanleytools.com
Posted Jun 10, 2022
Blade Stuck inside/Off track
I love my fatmax. Great knife until my guy friend broke it. The blade in stuck inside the case & I can't get it out. Pressed the red button on the end, and moved the blade forward, nothing. I think it's off track and I want to know how to get it unstuck with out opening. I don't have the right tool to open it. It take a guy to break my tool that I've had for 10yrs with ...
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Krista
Reviewed at:
stanleytools.com
Posted Feb 5, 2022
Complete and total garbage
Others have complained about putting new blades in. I can't even get to that point because it's impossible to get the storage compartment open where the extra blades are held. Depressing the red circular button is near impossible. Would not recommend at all.
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Response from Staples :
Hello
We appreciate your feedback on the 10-778 and are sorry to hear about the issue you are having with your product.
This is not the kind of performance we expect from our products and would like to speak to you about this issue so we can assist you in resolving this to your satisfaction.
Please email us at [email protected] and reference ticket # 3813426. We look forward to hearing from you.
STANLEY® TOOLS Support
February 10, 2022
Disppointed User
Reviewed at:
stanleytools.com
Posted Jan 22, 2022
Blade does not release with the black tab pressed
The old blade is stuck. I researched and watched YouTube videos on how to change blades. It is supposed to release with the black tab on the left near the blade pressed down, but it is completely stuck. So once the initial blade got dull, that was it. And it cannot be taken apart to see how it's supposed to work or if it can be fixed somehow.
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Response from Staples :
Hello
We appreciate your feedback on the 10-778 and are sorry to hear about the issue you are having with your product.
This is not the kind of performance we expect from our products and would like to speak to you about this issue so we can assist you in resolving this to your satisfaction.
Please email us at [email protected] and reference ticket # 3718273. We look forward to hearing from you.
STANLEY TOOLS® Support
January 25, 2022
John victor
Reviewed at:
stanleytools.com
Posted Dec 4, 2021
Not a good knive
Can not believe Stanley put this on market . Not a quick change blade knive like they say , it jams with every blade change on me bad design get real Stanley. made one with no No plastic would help Grrr
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Response from Staples :
Hello,
We appreciate your feedback on the 10-778 and are sorry to hear about the issue you are having with your product.
This is not the kind of performance we expect from our products and would like to speak to you about this issue so we can assist you in resolving this to your satisfaction.
Please email us at [email protected] and reference ticket # 3605795. We look forward to hearing from you.
STANLEY TOOLS® Support
January 7, 2022
Salsedo
Reviewed at:
stanleytools.com
Posted Mar 10, 2021
Not Recommended
The first time I used this the blade ejection assembly jammed after a day's use, so I returned it and got another one.
That one jammed because they put the stupid plastic display card inside the assembly and when I cut that off, a piece o0f the vinyl remained inside, so it was unusable. So I took it apart, but Stanley provides no info anywhere on how to reassemble it--...
That one jammed because they put the stupid plastic display card inside the assembly and when I cut that off, a piece o0f the vinyl remained inside, so it was unusable. So I took it apart, but Stanley provides no info anywhere on how to reassemble it--...
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RickM
Reviewed at:
stanleytools.com
Posted Dec 26, 2020
Putting Blade in and out
Unable to put blade in properly took it apart to put blade in that way and it was so tight like the blade was to big. Need better quality controls.
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Jason84
This reviewer received a free product or coupon in exchange for an unbiased review of the product
Reviewed at:
stanleytools.com
Posted Oct 22, 2020
Great utility Knife
Bought this knife to use when I was in the stockroom at my previous place of employment the knife preformed flawlessly it cut cardboard boxes like they were warm butter if you work in a warehouse / stockroom or anyplace else you need a utility knife I'd recommend you get this knife
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JoeA
Reviewed at:
stanleytools.com
Posted Sep 20, 2020
FATMAX Frustrating
Sorry Stanley but your instructions showing how one is to load the blade is basically half-assed. I will be returning the knife.
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JULIE B.
Verified Buyer
Posted Jan 7, 2020
I like!
Nice! Easy to change the blade...you just have to wiggle it some to get it in. When the blade's in it feels secure. Very nice that there's storage for extra blades. The slider button could be a little smoother maybe but it's not bad. The bright Stanley color makes it easier to keep track of.
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KLLR
Reviewed at:
stanleytools.com
Posted Nov 18, 2019
OK once you've learned its secrets
I bought this utility knife last summer and gave up using it for the task I bought it for because I could not figure how to get the tough plastic hang tag/label out of the thumb control slot and blade slot. Today I just pulled hard and it cracked into three sharp shards which then slipped out of the various slots--but made reading the use instructions on the back a puzz...
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Godofsurf
Reviewed at:
stanleytools.com
Posted Nov 5, 2019
Do NOT Buy
So hard to change the blades. Still cant!!!! Do NOT Buy
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TripleB
Reviewed at:
stanleytools.com
Posted Sep 11, 2019
Poor Design
I have 2 of these and it is difficult to load the blades and Stanley does not have any instructions on line.
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