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Hot Wire Foam Cutter with Digital Voltage Controller, 18W Hot Knife Kit

  • Based on 1,807 reviews
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon

Arrives Saturday, Sep 5
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Size: 4pack


Features

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  • 4 IN 1 WITH VOLTAGE CONTROLThis is the perfect set for foam cutting. With digital voltage controller, it's easier and safer for everyone to use it. Before starting to cut or after changing accessories, please be sure to adjust to the corresponding voltage first, otherwise the accessories and transformer may be damaged. 9V for the 18cm bow cutter, 7V for the 5cm bending style cutter and 12cm long straight cutter, 5V for 7cm short straight cutter.
  • CLEAN-AND-SMOOTH CUTTINGIt heats up quickly, the tube will reached 160C to 280C within 5-15 seconds. It cuts the styrofoam smoothly and easily, seals the edges clearly, and leaves No Debris! You can cut the foam boards or foam blocks from any angles and crafts into your desired shape. Note: Before use, ensure the voltage controller connector is securely plugged into the handle connector and the green power indicator is on.
  • PREMIUM QUALITYThis foam cutting set allows users to work more easily on advertising words making, art modeling and various foam cutting projects. GOCHANGE foam cutting tool is made of high quality stainless metal and having longer service life. It is an indispensable tool for foam cutting and engraving. Suitable materials: standard foam board, EPE (pearl cotton), XPS foam with density 30g/cm3. NOT suitable for: highdensity foam, soft rubber, plastic bottles, hard wood, etc.
  • PRODUCT USAGEYou can cut foam from any angles and craft your own masterpiece, such as Halloween Costumes, Handmade Practice, Even Model Making Lessons by kids at school. It is also perfect for commercial artwork development, complex and small font design in advertisement (such as letters), art piece creation by hobbyist, foam carving, art model making, DIY craft projects in home & school.
  • MAINTENANCE SUGGESTIONPlease let it heat up for a whlie before using, and take a rest when it keeps working for more than 30 minutes. And it will last its life longer to use the voltage we reommend for each cutting head and operator should adjust the appropriate voltage according to the density of the cutting material. After it cools down, please wipe the heating needle with a damp sponge to avoid blackening and hardening caused by adhesion Of oxides.

Description

Go to Change Your Life ! GOCHANGE built in 2017, our aim is to Go to Change Your Life! Bring you high quality products and convenient life. In 2018, our first top list foam cutter arrived, which has received all love in 2 months. We further launched a series of foam cutting set to meet the needs of different projects. GOCHANGE focuses on manual tools. It is our mission to bring you manual tools at the best possible prices. Let's go to change your life! Why doesn't our hot cutters heat up or stop heating? Improper voltage adjustment may have caused the accessory's fuse to burn out, resulting in a failure to heat. When using different cutters, be sure to adjust the voltage to the appropriate value, otherwise the cutter may be damaged. What voltage should I set for each cutting tip to avoid overheating or no heat? Different cutting tips require different voltage settings to work safely and effectively. Maximum Voltage Thresholds: 9V for the 18cm bow cutter, 7V for the 5cm bending style cutter and 12cm long straight cutter, 5V for 7cm short straight cutter. Why is my foam cutter not working? Troubleshoot: 1.Fully insert plug. 2. Turn dial to 1–3 (5–7V; see FAQ2 for tip voltages). 3.Wait 5 sec warm-up. 4.Tighten tip & check green light on handle. Why didn’t it cut my hard foam, rubber, or plastic as expected? This cutter is designed only for low‑density foams (e.g., EPS, EPE, XPS with density ≤30g/cm³).NOT suitable for: high‑density foam, soft rubber, plastic bottles, hard wood, etc. Please check your material type before purchasing. In what scenarios can it be used?In what scenarios can it be used? Very convenient for Christmas, Halloween, Easter, various festivals and daily DIY. Adjustable Temper Cutter 3 in 1 Foam Cutter 3 in 1 Foam Cutter-03 4 in 1 Foam Cutter Set Foam Cutter Pen

Color: Black


Material: Plastic


Brand: GOCHANGE


Blade Material: Stainless Steel


Product Dimensions: 9"L x 7"W


Brand Name: GOCHANGE


Number of Packs: 4


Unit Count: 1 Count


UPC: 715786033486


Number of Items: 8


Item Type Name: Pack


Manufacturer: GOCHANGEDIRECT


Model Number: FMC-05


Manufacturer Part Number: FMC-05


Manufacturer Warranty Description: N/a.


Material Type: Plastic


Blade Material: Stainless Steel


Finish Types: Brushed


Handle Material: Stainless Steel


Item Dimensions L x W: 9"L x 7"W


Item Weight: 0.43 kg


Blade Length: 12 centimeters


Color: Black


Product Style: FMC-05


Blade Edge: Straight


Hand Orientation: Ambidextrous


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Sep 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Works surprisingly well
Size: 4pack
Worked surprisingly well. I only used the u-shaped wire cutter to cut one inch thick styrofoam with printed sign cutouts mounted to it. The cutter was easy to use and precise. It took a few tries to get the hang of, but I was very pleased. Stores in a small space and heats up quickly.
Reviewed in the United States on June 21, 2026 by Jamie

  • ⭐️⭐️⭐️⭐️⭐️ Fantastic Foam Cutting Tool for Crafts & DIY Projects!
Size: 3pack
I’m really impressed with the Gochange 3-in-1 Foam Cutter! This tool has become my go-to for everything from hobby crafts to detailed foam shaping. It heats up quickly so you’re ready to cut without long waits, and the three different cutting attachments make it super versatile for a variety of foam materials. Whether I’m cutting styrofoam for school projects or shaping foam board for model making, it delivers smooth, clean cuts with minimal mess—which is a huge plus compared to manual cutting methods.  The ergonomic handle makes it comfortable to use for extended periods, and the included voltage transformer adaptor is handy for stable performance. It’s a great all-around tool for crafters, DIYers, artists, and even kids (with adult supervision). I’ve enjoyed how easy it is to control and how professional the finished edges look.  Overall, this foam cutter is a great value for anyone who works with foam—whether for art, home projects, or school. Highly recommended! ✂️🛠️ ... show more
Reviewed in the United States on January 18, 2026 by Cedric Norton

  • Great product for the price!!!
Size: 3pack
This foam cutter is much better than I expected. OK, it is not heavy duty or industrial but it does a great job. I used it on a very heavy piece of plastic coated foam and it worked great. It was my first attempt and it turned out much better than I expected. I would have given it a perfect score but the power supply is a bit under powered for extra thick foam but for average or light duty jobs it is excellent!!! ... show more
Reviewed in the United States on April 22, 2024 by TSC

  • Good wire cutter, with an unfortunate cord issue.
Size: 4pack
I made 2 decently sized projects with this before it stopped working due to a cord issue (it would heat up, but if I moved it, it would lose power). 1.) Made my son a portable terrain for an RC monster truck. 2.) Made approximately 12 large stalactites and Stalagmites for a stage production of The Hobbit. Really worked great until the very last stalactite. I liked that it came with replacement wire, which I did need at one point when the one it came strung with broke. Overall, a great value for a great machine. Just wish it lasted longer. ... show more
Reviewed in the United States on July 14, 2026 by Tai Sophia

  • It works good. It cuts the foam real easy
Size: 4pack
But it don't cut PVC too well it burns it. Keep away from your children the tip gets red hot. If your family is accident prone don't let them use it either be careful
Reviewed in the United States on June 19, 2026 by ROGER ST. PIERRE JR

  • Stopped working after one use
Size: 4pack
It stopped working after one use. The rods dont get hot anymore. I dont recommend this item
Reviewed in the United States on July 18, 2026 by CHELSEA BOUTWELL

  • It works.... kinda....
Size: 4pack
Its works. When the controller wants too. 3 Stars, cause I can manage to get it to work not a problem. Just have to tilt the controller back and forth. Works for my needs tho.
Reviewed in the United States on July 2, 2026 by CuppycakeBoogie

  • Amazing Foam Cutter Set – Fast Heating, Smooth Cutting, and Perfect Control
Size: 4pack
This foam cutting set is absolutely excellent. I was really impressed by how quickly it heats up—within seconds, it’s ready to use. That’s especially convenient when you have a lot of cuts to make and don’t want to waste time waiting. It cuts through foam beautifully—smooth, clean, and without ragged edges or mess. Using it is truly a pleasure, especially if you’ve ever struggled with box cutters or regular blades. The wire heats evenly, holds a stable temperature, and doesn’t sag or overheat. The digital voltage adjustment is another big plus. It’s a very handy and practical feature because you can choose the right temperature for different types of foam and material density. Once you find the right setting, everything goes smoothly and precisely. The set itself is well thought out: everything you need is included in the box. The tips are easy to change, the tool is comfortable to hold, and the cords don’t get in the way. I’m 100% satisfied with this purchase. If you work with foam or do any kind of crafting, this is exactly what you need. ... show more
Reviewed in the United States on July 20, 2025 by Ket

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