1、Good Compatibility: This hot end assembled extruder printhead kit is specifically designed for Kobra S1, for Combo 3D printers, ensuring a good fit and optimal performance tailored to these popular models, making upgrades and maintenance easy. 2、High Temperature Proof: Constructed with an all metal design, this print head extruder hotend kit can withstand operating temperatures of up to 320°C. This impressive heat resisting allows for excellent prints using a variety of materials, including high temperature filaments such as ABS and ASA, ensuring excellent performance even in industrial grade projects. 3、High Speed Printing: The assembled extruder hot end kit supports high speed printing capabilities of up to 600 mm/s, enabling rapid completion of projects without compromising on quality. With the ability to achieve fast, excellent prints in as little as 15 minutes, this kit significantly enhances productivity for both hobbyists and professionals. 4、Easy Installation And Quick Replacement: Designed for user friendly installation, the 3D printer extruder hotend kit allows you to easily replace the old hotend by simply removing it and installing the new one. The preinstalled heating cartridge, thermistor, and nozzle simplify the process, and users are advised to recalibrate the heat bed post installation for optimal performance. 5、Anti Clog Features: The nozzle, made from high hardness hardened steel, offers excellent abrasion proof and temperature capabilities. This ensures a layer thickness accuracy of ±0.02mm. The all metal throat design provides even heating throughout the hotend, facilitating slick material flow and ensuring consistent extrusion without blockages, making it a good choice for continuous high speed printing. Item Type: Print Head Extruder Hotend Kit Material: Hardened Steel, Metal Nozzle Temperature: 320°C Recommended Speed: 300mm/s Maximum Speed: 600mm/s Compatible Filament: PLA, PETG, TPU, ABS, ASA Maximum Acceleration: 20000mm/s² Application: for S1, for Combo 3D Printer 1 x Hotend Kit 2 x Silicone Sleeves