Model # 10-788

Internet # 100152150

Store SKU # 423123

Instant Change Knife

$8.93 /each
  • Easy, tool-free blade change
  • Three blades included
  • Stores up to 10 blades



Model # 10-788

Internet # 100152150

Store SKU # 423123

Stanley's Instant Change Knife comes with three FatMax blades and features an integrated string cutter. The push-button ergonomic design provides an easy way to change blades without tools. A rugged, cast metal body provides a sturdy grip and long tool life, holding up to 10 blades inside for convenient access.

  • Instant change knife allows for a quick blade change without tools
  • Cast-metal core offers lasting durability
  • Soft-touch rubber grip panels ensure stable control
  • Ergonomic push-button design for easy, comfortable use
  • Retractable slide for safety
  • Pop-up blade dispenser provides easy access and a fast changeover
  • Blade wiper removes excess dirt and protects knife
  • Blade clamp eliminates blade wobble for greater control
  • Integrated string cutting feature
  • Supplied with three FatMax blades for convenience
  • Large hang hole makes it easy to store
  • Limited lifetime warranty


Assembled Depth (in.) 
9.25 in 
Assembled Height (in.) 
1.25 in 
Assembled Width (in.) 
4.3 in 
Blade Length (In.) 
2.437 in 
Handle Length (in.) 
Blade storage 
Hand Tool Type 
Handle Material 
Knife Type 
Lockable Blade 
Product Weight (lb.) 
0.61 lb 
Removable Blade 
Retractable Blade 
Tools Product Type 
Hand Tool 
Warranty / Certifications
Manufacturer Warranty 
Limited lifetime 


Knife Type: Utility
Brand: Stanley
Price: $0 - $10
Review Rating: 3 & Up
1 Question1 Answer

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Instant Change Knife
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Do you have stanley fatmax top load dual or 2 bald utility knifes

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December 29, 2015
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January 22, 2016
Hi Jeff, we do offer a variety Stanley Knife options on Homedepot.com that may suit your needs. Please review the products at the link I have provided below to see if any of the products will work for your project.
We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!
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Rated 3.0 out of 5 by 34 reviewers.
Rated 5.0 out of 5.0 by Stanley did a great job with this one. I have plenty of utility knives, but this one is by far my favorite. So much so that I have like 3 or 4 of them. The quick blade change button makes life a whole lot easier. No more breaking out the screw driver to change the blade. The extra blade storage is also a nice touch. This knife feels great in the hand as well. Utility knives are one of those items that just gets thrown around and all beat up over time, but this one can definitely take some punishment. Stanley did a great job with this one. May 18, 2016
Rated 1.0 out of 5.0 by Hope you get a good one. I didn't. I'm glad some reviewers had no problem with changing the blade. My experience was different. The instructions were little help, so I went to online videos. They were clear and helpful. The trick is that you have to push the blade slider an extra bit beyond the "fully extended" setting. I understand that. But it won't go. I've pushed until my thumb is sore and my nail is cracked. I've used a flat screw driver to push down and forward. It just won't go that extra bit. I can put the blade in the end, but it won't lock into place and won't retract. Apparently there are good ones and bad ones. Mine is definitely bad and going back to the store. I won't get another of these. March 20, 2016
Rated 1.0 out of 5.0 by Bad packaging and difficult to use product The most unintuitive device I've purchased in a long time. Comes with a cardboard hanger piece that must be removed, but jams the device if you can't - which is what happened to me. Once you do get it into operation, it works, but even inserting a new blade is difficult. I'll take the old screw-together cheapo over this. March 27, 2016
Rated 5.0 out of 5.0 by Awesome knife! I'm not sure what's up with the reviews from people who had a hard time changing blades with and don't like this knife. Retract the blade out as if you were going to use it, press the yellow button and the blade comes out. Easily. Press the button again, put a new blade in...done! The button is a lock that locks the blade in place. It stores up to five .25mm blades in the bottom part of the handle that's also an easy to get to buttosn press. There is no need to take this knife apart. It's not meant to come apart. It also has a belt cutter that I use constantly to strip small wires. I've had mine 4 years and love it! October 20, 2015
Rated 4.0 out of 5.0 by solid utility knife i've had a couple of these knifes for a few years now. both are still holding up. like another reviewer here, i have broken part of the nose off of one (mine broke on the bottom though) and it still works fine. not sure how it happened, but it's just a battle scar... the only thing i can list as a possible "con" with this knife is when you have to take it apart. (ie; when you break a blade) it can be tricky to get it back together. not a huge deal though. October 6, 2013
Rated 5.0 out of 5.0 by Great knife! I highly recommend it. I love this Knife. I've got 4 of them now and have had a few of them for more than 6 years. I love the quick change feature and the blade storage in the handle is amazingly convenient and very easy to use. The feel and weight of the knife is nice and it fits in the hand very comfortably. I was surprised to see that this knife had a one star review from someone, because I love these blades. I got my first one around 2005 or 2006, and I quickly decided that it was the best utility knife I had ever owned. The only one of them I've ever had break, broke because I was trying to cut a really hard to get to cut-out in a piece of vinyl siding and I was using a hammer to beat on the top of the knife to drive the blade down. Given, that was not the intended use for the knife, but it got the job done, and the blade is still fully functional, the damage to the blade was purely cosmetic and it still works great. Not to mention that particular blade has seen extremely heavy use since the day I bought it. I guess with any product one buys they run the chance of getting a lemon, and maybe that's what happened to the other reviewer, because like I said, I have four of these and everyone of them is awesome. I actually bought another one a few days ago and it's feel and weight seem identical to the other ones I already owned. I'm very happy with this particular product. June 1, 2013
Rated 2.0 out of 5.0 by 10-777 Fat Max anything but quick change The 10-777 Fat Max is a nice looking utility knife, but the quick change part is anything but quick as the blade slide gets hung up everything you try to put it back together. I don't have 15 - 20 minutes to change blades (some time longer). The idea is there but it still has design flaws. August 30, 2015
Rated 2.0 out of 5.0 by Godd enough knife - overpriced and poor instructions Knife feels good in hand and works fine. Overpriced at Home Depot, and you will have to search the Internet if you can't figure out how to put in a blade because instructions that come with it are terrible and limited (but they're in 3 languges!). My poor rating is not for the knife itself. July 4, 2015
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