Package size: 22*15*7cm Package weight: 480g.Features: [Versatile and cost-effective] The 4-in-1 foam cutting knife is the most cost-effective tool you can find, offering four different cutting options in one kit. With this tool, you can smoothly and easily cut Styrofoam, seal clean edges, and leave no debris behind. Whether you are making Halloween costumes, creating intricate designs for advertisements, or making art models, this tool can help you achieve your goals.[High-quality materials] This foam cutting knife is made of high-quality stainless steel and is durable. It heats up quickly and can reach 150C in 10-15 seconds, which is perfect for fast and efficient cutting. Includes 5cm and 10cm cutting needles for 7V, 18cm bow-shaped heating blade for 9V, 12cm and 7cm stick-shaped hot knives, knife holder, digital voltage controller.Safe and Easy to UseThis foam cutting knife is equipped with an 18w high-power power supply and an on/off safety button, which is safe and easy to use. In addition, the digital dial voltage controller allows you to adjust the voltage according to the density of the cutting material, ensuring that you get a perfect cut every time.Suitable for DIY ProjectsWhether you are a hobbyist or a professional, this foam cutting knife is perfect for a variety of DIY projects. Use it to create custom foam shapes, carve complex designs, and make your own masterpieces. It is perfect for commercial artwork development, hobbyist artwork creation, foam carving, and DIY crafts projects at home and school.Maintenance RecommendationsPlease preheat for a while before use, and take a break after working continuously for more than 30 minutes. Using the voltage we recommend for each cutting needle will extend its service life, and the operator should adjust the appropriate voltage according to the density of the cutting material. After cooling, please wipe the heating needle with a wet sponge to prevent it from becoming black and hard due to the attachment of oxides.Specifications:Material: stainless steelHeating tube diameter: 2mmShort straight heating head: 12cmLong straight heating head: 7cmCurved heating head: 5cmBow cutter: 18cmReplacement heating wire: 10mWorking power: 0-27w adjustmentInput power 100-240V ACOutput: 9v/3APacking list:1x cutting machine1x short straight heating head1x long straight heating head1x curved heating head1x bow heating head1x scraper1x line signature pen1x cutting machine stand1x heating wire 10m1x temperature control adapter1x English manualNote:1. Due to different lighting effects, the actual color may be slightly different from the image2. Due to manual measurement, please allow 1-3cm deviation