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THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread

3.6 3.6 out of 5 stars 505 ratings

Black
Brand THAT Inventions
Model Name Spread That Butter Knife, Black
Special Feature Assembled
Age Range (Description) Adult
Included Components Product body
Handle Material Metal
Color Black
Blade Material Stainless Steel
Style Modern

About this item

  • Copper alloy, silicone
  • Innovative, heated serrated edge designed to curl up and soften cold butter easily
  • Made from heat conducting technology that utilizes your body heat to carve and spread cold butter
  • Micro-textured surface provides improved grip and spreading action
  • Easy on the wrist; designed for left and right hand users
  • No electricity or batteries required; safe for children; dishwasher safe

Product information

Technical Details

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THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread

THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread


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Customer reviews

3.6 out of 5 stars
3.6 out of 5
505 global ratings

Customers say

Customers like the shape of the butter knife, saying it's very nice and good looking. They also say it'd be great for Kerrygold lovers. However, some customers have reported issues with the value and warmth of the product. They say it doesn't warm up very much and that it actually transfers the cold temperature from the butter to your hand. Customers also differ on performance, and quality.

AI-generated from the text of customer reviews

9 customers mention7 positive2 negative

Customers like the shape of the knife. They mention it's very nice, good looking, and great for Kerrygold lovers.

"...It does not, but it looks good thou." Read more

"...Have to say the idea was nice but it doesnt work. The product in it self was very nice and good quality. Wished it would work." Read more

"...It took a while to heat up in hot water, but it's a good butter knife." Read more

"...Also klutzy and ugly too!Totally false advertising in my opinion." Read more

31 customers mention10 positive21 negative

Customers are mixed about the performance of the knife. Some mention they are impressed with how well it works, while others say it didn't really work, is useless, and serves no purpose at all.

"...The knife serves no purpose at all - no cutting, slicing, definitely no warming. Also klutzy and ugly too!..." Read more

"...This product works great-it curls thin strips of butter when scraped across the chilled surface, perfect for spreading on toast...." Read more

"Honestly, its just another knife. It makes a cool gift, but doesn't really work...." Read more

"...Unfortunately, this product just does not do what is claimed. It will cut butter though -- but only as well as any other knife." Read more

13 customers mention9 positive4 negative

Customers are mixed about the quality of the knife. Some mention it's a great quality knife, well made, and comfortable to hold. It slices through butter beautifully, while others say it serves no purpose and is poorly shaped.

"Been using this knife for a couple of months now. The serrated part is pretty good, I can get a thin layer of cold butter but if that butter is..." Read more

"advantage:Very texture, cutting butter seems better than ordinary blunt knife..." Read more

"...Sliced thru refrigerator-hard butter beautufully. Made of titanium, it is nicely dense and weighty but easy to manipulate...." Read more

"Looks nice. Sturdy. However, it does not warm up very much. I feel that I was misled." Read more

7 customers mention4 positive3 negative

Customers are mixed about the ease of spreading with some finding it easier to spread thin butter with the knife, while others say it doesn't seem to spread butter any better than an ordinary knife.

"...you can cut the butter off thinner 2) easier to spread because butter is thin...." Read more

"What a waste of money! The butter ended up in tiny little clumps. It took forever to butter 2 slices of bread...." Read more

"It does run across the butter and then spreads on to food easily, but if I had known that it only did that I wouldn't have bought it or at least not..." Read more

"...strips of butter when scraped across the chilled surface, perfect for spreading on toast. I was really impressed on how well it worked...." Read more

23 customers mention0 positive23 negative

Customers are dissatisfied with the value of the knife. They mention that it's a waste of money, useless, and overrated. Some say that it does not even help spread warm butter.

"It’s too pricey" Read more

"...It works ok but not amazing. I wouldn't buy this again." Read more

"Definitely not worth the money. Does not “heat up” as indicated from your body temperature. I wasted my money on this purchase" Read more

"This knife is a joke. It works for the first 2 passes over the cold butter and then it actually does the exact opposite...." Read more

15 customers mention3 positive12 negative

Customers are dissatisfied with the warmth of the knife. They say it doesn't warm up very much, it transfers the cold temperature from the butter to their hand, and that it's useless.

"...The knife serves no purpose at all - no cutting, slicing, definitely no warming. Also klutzy and ugly too!..." Read more

"...The product doesn't work. There is no way to get enough heat transfer from your hand to soften the butter at a reasonable rate...." Read more

"...heat from your hand to the kife to the butter, it actually transfers the cold temperature from the butter to your hand...." Read more

"it does heat up from body heat and I lov it" Read more

Top reviews from the United States

Reviewed in the United States on December 15, 2018
Color: BlackVerified Purchase
I’m going to give it 5 stars because of what it does not for what I imagined it would do.

Expectation was that this gem would have an on button, heat up and I’d have warm butter like when you have a dab sliding down a stack of pancakes. WRONG!

I got a piece of white bread, a plate of refrigerated butter, a butter knife and this bad boy.

I buttered half with a regular butter knife and half with THAT!. What I found was that this does take the butter and slide it on the bread as intended. 1) you can cut the butter off thinner 2) easier to spread because butter is thin.
The butter knife did...well you know, that’s why you are looking for an alternative.

I don’t think they have cracked the code for the price but I won’t return mine.
2 people found this helpful
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Reviewed in the United States on September 5, 2020
Color: BlackVerified Purchase
Ditto the comments with 1 star. If there were a zero star category, I would have rated that number. The knife serves no purpose at all - no cutting, slicing, definitely no warming. Also klutzy and ugly too!
Totally false advertising in my opinion.
Reviewed in the United States on December 22, 2021
Color: BlackVerified Purchase
It’s too pricey
One person found this helpful
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Reviewed in the United States on May 21, 2021
Color: BlackVerified Purchase
It does run across the butter and then spreads on to food easily, but if I had known that it only did that I wouldn't have bought it or at least not at the price it was. I am giving it five stars for the fact that it does as described.
Reviewed in the United States on January 22, 2018
Color: BlackVerified Purchase
Honestly, its just another knife. It makes a cool gift, but doesn't really work. You have to hold it in your end for 5 minutes for it to really get warm.
One person found this helpful
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Reviewed in the United States on May 29, 2022
Color: BlackVerified Purchase
it does heat up from body heat and I lov it
Reviewed in the United States on April 21, 2020
Color: BlackVerified Purchase
I was dubious about this product ---and rightfully so. The product doesn't work. There is no way to get enough heat transfer from your hand to soften the butter at a reasonable rate. So I tried running it under hot water prior to use. Results were about the same. Unfortunately, this product just does not do what is claimed. It will cut butter though -- but only as well as any other knife.
Reviewed in the United States on June 21, 2020
Color: BlackVerified Purchase
Gave this as a fathers day gift for my fiance. It melts butter nicely and he has no problem with it warming up in his hand. He suggests running under hot water if you have an issue warming it up in your hands. It leaves a nice even layer of butter as well

Top reviews from other countries

Translate all reviews to English
Peter Bogaards
1.0 out of 5 stars Nutteloos en erg duur product
Reviewed in the Netherlands on February 28, 2023
Color: BlackVerified Purchase
Het idee is aardig, maar in de werkelijkheid is een gewoon mes net zo goed. Roomboter kun je niet echt veel makkelijker smeren. Veel te duur. Ligt ongebruikt in de keukenla.
Mª Angeles
2.0 out of 5 stars No funciona
Reviewed in Spain on November 13, 2021
Color: BlackVerified Purchase
Personalmente a mi no me funciona
Steve
5.0 out of 5 stars It works
Reviewed in the United Kingdom on December 18, 2020
Color: BlackVerified Purchase
The combination of its shape design, blade profile and material makes it an efficient tool for spreading cold butter, but also works with cold Nutella and chocolate spreads. Fits very well in the hands. The decoration on the handle is a bit misleading, as it looks like a button to press in order to get it work, but I have no issue with that. It is also good to have colour variations I can choose from.
Ezaze
5.0 out of 5 stars Cadeau
Reviewed in France on November 7, 2017
Color: BlackVerified Purchase
C'est un cadeau, je connaissais déjà le produit qui me donnait déjà pleine satisfaction et comptais l'offrir, voilà qui est fait !
One person found this helpful
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Christian Köhler
5.0 out of 5 stars Es funktioniert
Reviewed in Germany on December 24, 2016
Color: BlackVerified Purchase
Funktioniert echt gut - wenn man Wärme Hände hat, dann leidet dieses Buttermesser die Körperwärme und macht so die kalte Butter leichter streichbar
One person found this helpful
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