Product Information: Quality Material: This J-Head hotend is constructed from stainless steel, PVC, and nylon, allowing it to withstand temperatures up to 300 degrees Celsius. This makes it compatible with a variety of 3D printing materials such as PLA, ABS, polycarbonate, nylon, and PVA. Technical Specifications: The heater cartridge size is 6 x 20 mm (D * L), and the wire has a length of 1 meter. The operating voltage is 12V with a power output of 40W. Design Improvement: This version of the J-Head hotend has been improved by engineers to deliver better performance compared to previous iterations. Easy Installation: The package includes a hotend with a 0.4mm brass nozzle and a 100cm PTFE tube. This facilitates installation and enables practical use for 1.75mm filament extruders. In summary, the 3D j-head printer hotend is a quality component designed for high temperatures and a variety of printing materials. It comes with all the necessary accessories for easy installation and is ideal for 3D printers using 1.75mm filament.