Top 10 Best hot knife in 2026

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• •【4 TOOLS IN 1】Cut or engrave foam complete tool set. 18w high power foam cutter with power supply and On / Off safety button, 12cm & 7cm wand style hot knife, 5cm bending style hot knife, 18cm bow hot blade, 10m replacement wire for bow, cutter holder. Note: Suitable for low density and softer foam boards, such as low density Styrofoam, Pearl Cotton, EPS, Sponge, EPP, etc. Not suitable for high density foam boards, such as XPS, extruded boards, plastic boards, etc.
• •【CLEAN-AND-SMOOTH CUTTING】It heats up quickly, the tube will reached 150℃ within 10-15 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: When cutting foam boards with higher thickness and higher melting point, please preheat the cutter for 20-25s in advance.
• •【PRODUCT USAGE】You can cut foam from any angles and craft your own masterpiece, such as Halloween Costumes, Handmade Practice, Even Model Making Lessons 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. Note： Before use, make sure power adapter is tightly plugged into socket, and the green power light is on.
• •【PREMIUM QUALITY】This foam cutting set is the most cost-effective tool. It 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.
• •【MAINTENANCE SUGGESTION】First, Pay attention to ventilation in work and product heat dissipation. Turn off the power and take a break after continuous work for more than 30 minutes. Second, After it cools down, please wipe the heating needle with a damp sponge to avoid blackening and hardening caused by adhesion Of oxides.

Main highlights

• •【Smooth and Efficient Cutting】- All hot wire foam cutter tips can heat up to temperature 100℃ within 10s. The Hot wire cutting pen can cut foam board or foam block from any angle smoothly and efficiently.
• •【Sturdy and Safe Design】- Upgrade Styrofoam Cutter is made of stainless steel and plastic material with overheat protection. Designed with ON/OFF button and LED reminder light, it provides safe tips when using our foam cutter. No flopping, no breaking, no taking apart problem.
• •【Easy to Use】- 3 in 1 Styrofoam Cutting pen, including Hot Wire Tip, Holing Tip, and Engraver Tip, you can cut any shade you desired. Also it is easy to replace the wires or holing tips during working, making the process convenient and time saving. The cleaning pen that we provides helps you clean the tips easily after cutting.
• •【Wide Applications】- The cutting pen is hot enough to be applied on low-density foam, such as foam board, foam block, pearl cotton, EPP, KT board, EPS and so on, but not to be applied on cutting very high-density hard material.
• •【Product Usage Tips】- Though our hot wire foam cutter tips have safe design and overheat protection, please read our tips carefully before using: 1) We suggest you take a rest if the foam cutter had worked for 30mins; 2) Before changing any tips, please turn off the switch and let the hot knife cool down first.

Main highlights

• •Electric Styrofoam cutter pen with adapter for low density styrofoam, art modeling, student craft practice, jingle making, creative modeling. Use electric heating to melt the foam for cutting, it is normal to produce odor during the melting process. Please move the cutting pen quickly when using it; use it in a well-ventilated environment and wear a mask.
• •The Hot Wire Foam Cutting Pen cuts foam quickly and smoothly, sealing the edges without leaving any debris! (When the cutting pen is fully preheated to a certain temperature) you can cut templates or foam blocks at any angle and then process them into the desired shape.
• •Easy to use, check that the cutting pen tail is plugged into the adapter interface; plug the adapter plug into the power outlet; set the side switch of adapter to the ON position, it can be used normally (switch to 'OFF' for off state). Wait 30 seconds before starting work to preheat and reach a temperature. Thus, obtain the best cutting effect High quality cutting. Cutting can only be done in a close range of 9 cm of foam.
• •Electric foam cutting tool kit equipped with a metal bracket stand. When you want to rest, you can put the cutting pen on the bracket. When not in, you can turn off the switch and put it on top to cool; in addition, the handle has a good anti-skid effect, and you don't have to about slipping off during work.
• •This foam cutting pen can cut materials with a maximum ignition point of 200℃, suitable only for white soft foam low-density polystyrene foam not suitable for kt boards and posters; please do not purchase high-density polystyrene foam. If you have any questions, please feel free to contact me

Main highlights

• •Full Kit for DIY Projects: Includes 30W hot knife plastic cutter, 10 carbon steel blades, 2 blade holders & stand. Great as hot knife for foam pumpkin carving, plastic cutting tool, foam cutting tool, for mesh & wood
• •Fast Heating & Stable Cutting: Hot knife cutter warms up in ~25 sec, full temp in 3–5 mins. Hot knife foam cutter pumpkins ensures clean cuts without chips, also heat knife for cutting plastic
• •Durable Steel Blades: Hot knife for plastic with replaceable carbon steel blades for lasting sharpness. Heat knife for cutting foam pumpkins ensures smooth, accurate results
• •Easy Operation, Plug-and-Go: Plug in electric foam cutter and start cutting — hot knife fabric cutter has no buttons or setup. Lightweight handle reduces fatigue during crafting and hobby projects
• •For Light Use Only: Wood burning tool not for heavy-duty carving. Hard plastic cutter tool works best with foam, mesh & pumpkins. No switch or heat indicator is included in the set

Main highlights

• •【Efficient Perfomance】18W Foam Cutter heats up quickly, it cuts Styrofoam smoothly and quickly, seals the edges cleanly and leaves no debris! You can cut a forming board or foam block from any angle to make the shape you want.
• •【High Quality and Comfortable Grip】Cutting pen/needle/rod is very stable on the base, it will not bend too much when cutting out large pieces of styrofoam. Handle is moderately thick and non-slip, so you have a full grip without stressing it out on large projects.
• •【Widely Use】Applicable to 1-6cm foam board, pearl cotton, KT board, EPS, EVA, XPS, PE, etc. Not for high-density plastic, sponge, memory foam, nylon fabric. You can decorate your home in Halloween, Easter, Christmas and other festivals.
• •【ON/OFF Switch and LED Indicator】There is an On/off switch on the handle.It's very convenient to switch on and off, so you don't need to unplug it when you're not using it. LED indicatorwill Lights up while you're working, not need to worry about forgetting it's turned off or accidentally touching heating pen.(not in most foam cutters)
• •【Warm Tips】Please heat up the cutting pen before use. Due to the hot weather, please turn it off after working for more than 10 minutes and place it on the stand to dissipate heat. After cooling, wipe the heating needle with a damp sponge to avoid blackening and hardening due to oxide adhesion.

Main highlights

• •Efficient Cutting Power: Experience swift and precise foam cutting with the 15 Watt Electric Hot Wire Cutter, designed for a variety of applications.
• •Versatile Material Compatibility: The foam cutting pen kit is designed exclusively for cutting low-density foam sponge, film, and similar materials.
• •Rapid Heating Capability: The cutter heats up quickly and maintain productivity with consistent performance. The foam cutting pen kit is designed exclusively for cutting low-density foam sponge, film, and similar materials.
• •Comfortable Use: Features an anti-slip, ergonomic handle that provides a secure grip and reduces fatigue during extended use.
• •Dual Voltage Convenience: With a wide voltage range of 110-250V, equipped with a standard US plug. heating element diameter 2mm, 15W power, input AC 100-240V, output DC 6V/2.5A, with the cutting pen reaching a maximum temperature of 300°C.

Main highlights

• •【SPRING-LOADED SAFETY TRIGGER SWITCH】: Because the hot knife cutting tool can reach the working temperature in a few seconds, the spring-loaded safety trigger switch can effectively avoid the danger caused by too high temperature. In order to improve the service life, we do not recommend working for a long time (Notice: Use the hot knife use at 15-second intervals and allow it to cool for about 15 seconds in between!).
• •【WIDE APPLICATIONS】: Foam cutter usually used for packaging, construction, pitched roof insulation, external wall insulation composite system. For professionals, craftsmen or DIY enthusiasts to provide better help in commercial and industrial use. Foam cutter can cut lightweight foam, KT board, polyurethane, polyethylene, EPS, XPS, EPP, EVA, EPE, PU, polyester foam, sponge, rubber, nylon and fiber, etc.
• •【SMOOTH OPERATION】: There is a pure copper induction coil inside the styrofoam cutter, which adopts innovative circuit design to heat fast and evenly. Styrofoam cutter can give you the same experience as cutting butter and bread with a knife. The cutting process is very smooth, and the cutting effect is flat and perfect.
• •【ADJUSTABLE TEMPERATURE】: The adjustment knob on the top of the foam cutting tool has 16 positions to adjust temperature and power. The wide adjustment range can meet the needs of most industries and jobs. The wider the scale on the knob, the greater the power and heat. If you can't master the temperature control temporarily, we suggest you practice several times on the foam waste (NOTICE: If the red light flashes after pressing the switch, push the adjustment knob forward to increase).
• •【NICKEL-CHROMIUM ALLOY BLADE】：The hot knife foam cutter adopts high-quality nickel-chromium alloy blades, which is not afraid of high temperatures and has a long service life. Blade Temperature can come up to 1000°F in 7s (NOTICE: If you prefer the high temperature to make the foam smell, use the mask when you use it).
• •【SIMPLE INSTALLATION】: Just loosen the screw, slide the blade under the square pressure plates until snug, then insert the blade into the blade holder to start to use. The metal hook at the tail is convenient for hanging, which is convenient for next use.
• •【PACKAGE INCLUDES】: Hot knife foam cutter, 1 x 6" blade, 1 x 8" blade, hex wrench, cleaning brush.

Main highlights

• •Easily Make Any Shape Groove: The foam Grooving Hot Knife Kit– “Big Groover” is designed for cutting different grooves, circular groove, square groove, v groove, triangular groove or cut out any shapes that 12"(30cm) bendable blade! Great for making grooves for wiring and plumbing in XPS or EPS insulation foam, for crown molding, laying pipes and more.
• •Wide Applications: The pro Air Cooled Hot Knife Cutter Tool Kit is suitable for Slotting/Cutting/Sculpting and carving various KT Board, Polyurethane, Polyethylene, Insulation Board, EPS, XPS, EPP, EVA, EPE, PU, Styrofoam, Polyester Foam, Sponge, Rubber, Nylon and Fibres.
• •Outstanding Air Cooled Technology: The air-cooled foam cutting tool achieves higher power output and longer service life by using dual fans to dissipate heat from the main working parts of the circuit. The ordinary hot knife on the market needs a rest every 10 minutes of work, while our air-cooled hot knife foam cutter can be used continuously for 120 minutes. This will greatly improve your productivity.
• •5 BLADES & Easy Installation: A unique cutting set for plumber & electrical works! Getting started is a breeze, loosen the screw, insert the big groover into the chucks and install blade to start to use. The professional plumber tool kit is equipped with abundant accessories, including hot knife cutting machine + Grooving platform "Big Groover" (Includes steel ruler and auxiliary limit plate）+ 3 x 12" bendable blade, 1 x 6" and 1 x 8" blades, and 1 x portable carrying case. Convenient to store and carry.
• •NLBFOU BRAND QUALITY COMMITMENT: Each of our foam cutter is performance tested by engineers before leaving the factory to ensure quality. If for any reason you are not satisfied with your purchase, please contact us. We will give you a satisfactory solution.

Main highlights