Features: Upgraded for 3 3D printer with hardened steel nozzle kit featuring 300°C high temperatures heating block for compatibility with filaments including PLAs, PETG, and ABS. precisions engineered modulars integrates terminals connectors and steel construction, enabling not tool installation while maintaining thermals stability at 600mm/s fast printing speeds. for professional makers and rapid prototyping enthusiasts requiring industrial component to achieve accuracy in complex architectural models or functional prototypes. Optimizes fast speed printing workflows in engineering labs and maker space by ensuring consistent material flows during prolonged ABS printing or large scale PETG fabrication projects. Equipped with militarys thermistor calibration and anticlogging throat tube compatibility, this hotend assembly ±0.5°C temperatures control for flawlessly first layer adhesion and intricate detail reproduction. Specifications: Materials: Steel sprays head: 0.4mm/0.6mm/0.8mm (optional) Recommended printing speed: 300mm/s printing speed: 600mm/s Package Includes: 1PC Hot End 1PC sprays Head note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.