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  • Upgraded Portable Cordless Hot Wire Foam Cutter Pen, 6 in 1 Styrofoam Cutter, LED Light, 32.8ft Replacement Hot Wire, USB-C, Foam Cutter Tool for Small Project, Styrofoam Carving, Craft Shears
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Upgraded Portable Cordless Hot Wire Foam Cutter Pen, 6 in 1 Styrofoam Cutter, LED Light, 32.8ft Replacement Hot Wire, USB-C, Foam Cutter Tool for Small Project, Styrofoam Carving, Craft Shears

4.0 out of 5 stars (209)

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Color: Black&red
Set name: K1
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About this item

  • Cordless Foam Cutter for Unrestricted Creativity: The upgraded cordless foam cutter tool frees your workspace from cord constraints. Suitable for cutting and carving foam board, pearl cotton, KT board, sponge, EPS, styrofoam. With this hot knife foam cutter, you can create small foam crafts and DIY projects at home or school
  • Super Fast Heating Speed: the DOINOW hot knife foam cutter heats up to 212℉ in approx 12 seconds and surpasses 1022℉in around 30 seconds, saving you valuable time, increase work efficiency. Additionally, it features a built-in LED light, providing clear visibility and precision during cutting tasks, even in low-light conditions
  • Ultra 0.38mm Heating Wire for Smooth Cutting: our hot wire foam cutter tool utilizes a 0.015inch diameter heating wire for greater durability and faster, cleaner cuts than the commonly used standard 0.011mm wire. The combination of high temperatures and thicker wire ensures efficient and precise cuts for a variety of projects, along with 32.8ft of replacement heater wire that can be replaced at any time
  • Powerful Blade & Wire Set: the hot wire cutter uses a durable heating wire, which can be used with a U-shaped hot blade for clean cutting. It is also equipped with a needle hot blade, a bow hot blade, it cut smoothly without leaving burrs, and replaces easily can be applied to different usage scenarios to achieve more creative possibilities. Equipped with a 2000mAh lithium-ion battery and a USB-C interface, it is convenient to charge and use anytime, anywhere
  • Kindly Reminder: ①Please use outdoors or in a well-ventilated area. ②Please fully preheated before use.; A full charge provides 30-40 minutes of continuous use. ③Please clean the blade in time during and after use to prevent excessive foam adhesion and affect the efficiency of use. ③Please take a rest when it has been working for 30 minutes. ④Do not use hot wire cutter while charging. ⑤Designed for small, delicate foam projects. Not suitable for thick or high-density foam such as foam rubber, EVA, plastic extruded board or poster board
  • Excellent After-sale Service: We Provides 2 years after-sale service and technical support. If you have any problems with our product, just contact us, we will give you a best solution
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This item: Upgraded Portable Cordless Hot Wire Foam Cutter Pen, 6 in 1 Styrofoam Cutter, LED Light, 32.8ft Replacement Hot Wire, USB-C, Foam Cutter Tool for Small Project, Styrofoam Carving, Craft Shears
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Product description

hot wire foam cutter styrofoam cutter foam cutting tool foam cutter hot knife foam cutter
foam hot knife styrofoam cutter hot wire hot wire foam cutter kit hot foam cutter foam cutter wire
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Safety Switch

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Insulated Brass Tube

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LED Lighting

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Lightweight & Portable

Upgraded the blade to improve the problem and enhance the user experience

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  • The needle blade cuts faster than the bow-blade. For quick, rough cuts, we recommend using the needle blade with a 1.3mm hot wire. For detailed work, use the bow-blade with a 0.38mm hot wire for precise results.

  • Use the single prong attachment for better results. Ensure the wire is fully heated, use a steady motion, and keep the handle charged. Clean the heating element after each use.

  • It works best on styrofoam, foam board, pearl cotton, KT board, sponge, and EPS.

  • No, it is not suitable for cutting foam rubber or other dense foams. This cutter is designed for small projects and works best on thinner foam materials.

Product information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Upgraded Portable Cordless Hot Wire Foam Cutter Pen, 6 in 1 Styrofoam Cutter, LED Light, 32.8ft Replacement Hot Wire, USB-C, Foam Cutter Tool for Small Project, Styrofoam Carving, Craft Shears


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Customer reviews

4 out of 5 stars
209 global ratings
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Customers say

Customers find the foam cutter to be a great little tool that's easy to use. The heating performance and cutting capabilities receive mixed feedback - while it heats up well and cuts foam like a pro, customers note it's slower than a snap blade knife. The battery life is concerning, lasting only about 30 minutes and taking over 2 hours to recharge. Moreover, durability is a concern as customers report it's not durable, and reliability is mixed with some saying it works well while others report it won't power on.
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8 customers mention ease of use, 7 positive, 1 negative
Customers find the foam cutter easy to use, with one mentioning it's very handy being cordless and another noting it's easy to maneuver.
...up without making the handle hit, it cut my foam seamlessly and was easy to use. I will never use a "hot wire" againRead more
Compact, very convenient, easy to maneuver since it’s cordless. Heats up well and simple to use and charge. Very happy with the unit.Read more
...It works good for basic foam cutting and its very handy being cordless and portable for use.Read more
Got the tool and it is easy to use and charge....Read more
8 customers mention quality, 6 positive, 2 negative
Customers find the foam cutter to be a great little tool.
This is a great little tool, makes way cleaner cuts than a knife and the rechargeable battery means its always ready to go....Read more
This is by far the best foam cutter I've ever used....Read more
...Never was able to use the stupid thing because it is defective!Read more
Product was perfect!Read more
26 customers mention reliability, 15 positive, 11 negative
Customers have mixed experiences with the styrofoam cutter's reliability, with some reporting it works well while others mention it stops working or fails to power on.
The tool works well, but the battery charge only lasts about 30 minutes of continuous use. It takes over 2 hours to recharge it.Read more
...The u-shaped wire quit working after a month of use.Read more
Works great, just I need some practicesRead more
Heating element broke after 10 mins of use, unable to work now. Would not recommend, very disappointed in the product.Read more
11 customers mention heating performance, 5 positive, 6 negative
Customers have mixed experiences with the heating performance of the foam cutter, with some reporting that it heats up well, while one customer notes that it does not heat up to cut a straight line.
This product does not heat up to cut a straight line, jagged edges, sure why not. Battery life, nonexistent. Used twice, can't try thrice.Read more
...This device is much safer, it heats up without making the handle hit, it cut my foam seamlessly and was easy to use....Read more
...after cutting a minute it cooler down and you have to wait until its heated up again....Read more
Doesn't get hot enough to cut.Read more
10 customers mention cutting performance, 5 positive, 5 negative
Customers have mixed experiences with the foam cutter's performance: some report it cuts like a pro, while others mention issues with speed and note that it barely cuts through XPS foam.
This is a good tool for cutting foam insulation but it is a little slow. I think it cools down as you pass it through the material. It does cut well....Read more
This thing is too weak to work on puns foam. I purchased a 200 watt unit that did what I expected this one to do....Read more
...is much safer, it heats up without making the handle hit, it cut my foam seamlessly and was easy to use. I will never use a "hot wire" againRead more
Works ok but a real learning curve to nice cuts. Seems to not get hot enough to cut thicker material.Read more
5 customers mention speed, 3 positive, 2 negative
Customers have mixed opinions about the speed of the foam cutter, with several noting it is slower than a snap blade knife.
...is made of styrofoam,the styrofoam cutter worked great,running time seemed reasonable for the amount the wife carvedRead more
...I bought it to cut Great Stuff spray foam. It works, but you have to cut it very slow. I found that a long bread knife was much faster.Read more
Makes reasonably quick, and very smooth cuts in various foamsRead more
This is a good tool for cutting foam insulation but it is a little slow. I think it cools down as you pass it through the material. It does cut well....Read more
10 customers mention battery life, 1 positive, 9 negative
Customers report that the battery life is poor, lasting only about 30 minutes and taking over 2 hours to recharge.
...work, it does do what it says, but be aware that a full charge only lasts for a couple minutes.Read more
The tool works well, but the battery charge only lasts about 30 minutes of continuous use. It takes over 2 hours to recharge it.Read more
...Works as advertised. My only gripe is the charge doesn't last very long.Read more
Not durable, battery wears out fast. After one project, this thing was toast.Read more
7 customers mention durability, 1 positive, 6 negative
Customers report that the foam cutter is not durable, with one customer mentioning that the heating element broke after 10 minutes of use.
Not durable, battery wears out fast. After one project, this thing was toast.Read more
It's dead after using it the first time. Got maybe 30 minutes of heat and now doesn't work. Thought maybe it needed charged again, still nothing....Read more
Heating element broke after 10 mins of use, unable to work now. Would not recommend, very disappointed in the product.Read more
Broke the first time I used itRead more
Excellent device for cutting foam.
5 out of 5 stars
Excellent device for cutting foam.
First, I want to mention that I received this product for evaluation. I planned to use the DOINOW 6 in 1 Cordless Hot Wire Foam Cutter Kit for cutting foam. I expect that it is well manufactured, easy to use, and works. This product has met all of my expectations, and the quality is great. This is the first time that I have tried a foam cutter, and I am amazed! This is the type of product that you ask yourself: "why didn't I purchase this before?" The product includes the power handle, which needs to be charged with the enclosed USB cable, instructions, three blade wands and wire. The instructions are easy to follow and to the point. The wands are easy to place on the handle but there is a little resistance, so you need to apply a little force. One wand is intended to make through-holes, another wand is U shaped and is intended to make pocket holes. The third wand is the one used to cut large areas of foam. This last wand needs the wire for working. The process of assembling the wire on this wand is simple. I included a video of the process of assembling the wire and using all the wands on a foam block. Please, excuse the quality of the cuts that I made in the video; this was my first time using this type of product. However, you can see how easy it is to cut foam with this device. When the handle is turned on, a light turns on, which is a great way to tell you that the item is being powered and be careful to avoid burns. After 5-10 seconds the wand is ready to cut the foam. In the past, I used an electric kitchen knife to cut foam blocks and the process is very messy and takes longer than this product.
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Top reviews from the United States

  • 5 out of 5 stars
    Just go slow and easy.
    Reviewed in the United States on August 10, 2025
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    This really works as stated. I needed to cut round holes in styrofoam coolers for my hydro gardening project. I was then able to drop plastic cups into them with small cuts in bottom of cup. This was such a quick solutions to making the holes. The styrofoam was thick and it still worked.

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  • 5 out of 5 stars
    Work good
    Reviewed in the United States on June 11, 2026
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    Works great, just I need some practices

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  • 1 out of 5 stars
    does not work for more than a few minutes.
    Reviewed in the United States on April 11, 2024
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    this thing works for a couple minutes - cuts slow. this is only for small projects, NOT FOR BIGGER CUTTING PROJECTS. after cutting a minute it cooler down and you have to wait until its heated up again. and then another cutting it is already empty and needs to be charged. i was cutting think 2 inch foam

    3 people found this helpful
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  • 5 out of 5 stars
    Great hot wire cutter
    Reviewed in the United States on December 26, 2025
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    Compact, very convenient, easy to maneuver since it’s cordless. Heats up well and simple to use and charge. Very happy with the unit.

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  • 4 out of 5 stars
    Well made, inexpensive, easy to use
    Reviewed in the United States on April 11, 2026
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    Surprisingly well made for being so in expensive. Comes in a nice case that holds everything in place. Works as advertised. My only gripe is the charge doesn't last very long.

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  • 5 out of 5 stars
    Great seller!
    Reviewed in the United States on March 2, 2026
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    Product was perfect!

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  • 3 out of 5 stars
    You get what you pay for
    Reviewed in the United States on January 17, 2025
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    I used this set to carve styrofoam blocks and foundation pieces for my Harry Potter village. The wires get gummy very quickly, even though I used steel wool to clean them after every use. The u-shaped wire quit working after a month of use.

    One person found this helpful
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  • 5 out of 5 stars
    Wife liked the styrofoam cutter
    Reviewed in the United States on September 29, 2025
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    Purchased for my my wife so she could start her expanded Christmas display which is made of styrofoam,the styrofoam cutter worked great,running time seemed reasonable for the amount the wife carved

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Product Summary: Upgraded Portable Cordless Hot Wire Foam Cutter Pen, 6 in 1 Styrofoam Cutter, LED Light, 32.8ft Replacement Hot Wire, USB-C, Foam Cutter Tool for Small Project, Styrofoam Carving, Craft Shears

From DOINOW

4.0 out of 5 stars, 209 ratings

Customer reviews

50+ bought in past month

Price

One-time purchase: $15.20 5% Savings

List Price: $16.01

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About this Item

  • Cordless Foam Cutter for Unrestricted Creativity: The upgraded cordless foam cutter tool frees your workspace from cord constraints. Suitable for cutting and carving foam board, pearl cotton, KT board, sponge, EPS, styrofoam. With this hot knife foam cutter, you can create small foam crafts and DIY projects at home or school
  • Super Fast Heating Speed: the DOINOW hot knife foam cutter heats up to 212℉ in approx 12 seconds and surpasses 1022℉in around 30 seconds, saving you valuable time, increase work efficiency. Additionally, it features a built-in LED light, providing clear visibility and precision during cutting tasks, even in low-light conditions
  • Ultra 0.38mm Heating Wire for Smooth Cutting: our hot wire foam cutter tool utilizes a 0.015inch diameter heating wire for greater durability and faster, cleaner cuts than the commonly used standard 0.011mm wire. The combination of high temperatures and thicker wire ensures efficient and precise cuts for a variety of projects, along with 32.8ft of replacement heater wire that can be replaced at any time
  • Powerful Blade & Wire Set: the hot wire cutter uses a durable heating wire, which can be used with a U-shaped hot blade for clean cutting. It is also equipped with a needle hot blade, a bow hot blade, it cut smoothly without leaving burrs, and replaces easily can be applied to different usage scenarios to achieve more creative possibilities. Equipped with a 2000mAh lithium-ion battery and a USB-C interface, it is convenient to charge and use anytime, anywhere
  • Kindly Reminder: ①Please use outdoors or in a well-ventilated area. ②Please fully preheated before use.; A full charge provides 30-40 minutes of continuous use. ③Please clean the blade in time during and after use to prevent excessive foam adhesion and affect the efficiency of use. ③Please take a rest when it has been working for 30 minutes. ④Do not use hot wire cutter while charging. ⑤Designed for small, delicate foam projects. Not suitable for thick or high-density foam such as foam rubber, EVA, plastic extruded board or poster board
  • Excellent After-sale Service: We Provides 2 years after-sale service and technical support. If you have any problems with our product, just contact us, we will give you a best solution

Product Description

DOINOW 6 in 1 Cordless Hot Wire Foam Cutter Kit, Electric Styrofoam Cutter Hot Knife, USB-C Charging, Lithium Battery Cutting Tool Kit for Styrofoam Carving, CraftingIt can also names: foam cutting tool, hot knife foam cutter, foam board cutter, foam hot wire cutter, foam knife, styrofoam cutter hot knife, foam hot knife, styrofoam cutter hot wire, hot wire foam cutter kit, hot foam cutter, foam cutter wire, foam cutter knife, foam cutting knife, electric foam cutter, electric styrofoam cutter, hot knife cutting tool, etc.This hot wire foam cutting tool can quickly heat up to 550℃/1022℉, providing the best temperature support for your cutting work. This feature will help you save a lot of time when you need to cut foam quickly.Our hot wire foam cutter kit adopts a wireless rechargeable design, so you don't have to worry about the tethering of the power cord and can be used anytime and anywhere.This foam cutter is compact, lightweight and portable, making it easy to put it in a backpack or handbag for foam cutting work at any time.This foam cutting hot knife can be equipped with a 0.38mm diameter heating wire, which is thicker and more durable than commonly used heating wires on the market, allowing it to withstand longer periods of use without damage.In addition to being suitable for packaging, artwork modeling, advertising (such as letters), foam carving, art model making, DIY craft projects, etc., this heat knife for cutting foam can also cut pearl cotton, foam board, plastic extruded board, KT board, EVA, sponge and other different types of materials.Our hot wire cutter for foam also has a built-in 2000mAh large-capacity lithium-ion battery, which can be charged through the universal Type-C interface. In addition, it is equipped with a power on/off button to ensure your work safety.At only 17 x 2.7 x 2 cm and weighing 82.5 grams, the foam board cutter is very lightweight and can lighten your work load. At the same time, it is also equipped with a variety of different hot wire heads such as bow-shaped hot wire heads, needle-shaped hot wire heads, U-shaped hot wire heads, etc. to meet your different cutting needs.

Options Available

Color

  • Black&red

Set name

  • K1
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Important Information

Wattage

15 watts

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