About the Product： 【Upgraded Ceramic Heating Ring】：The ceramic heating ring equipped on the hot end not only improves the heating speed, but also achieves more uniform heating. Additionally, the print head is compatible with various 1.75mm materials, including PLA, ABS, PETG, TPU, and even wood filaments.   【Easy to Use】：The Kobra 3/Kobra 3 combo hotend kit is pre-assembled, allowing for direct replacement of the old hotend for use.   【Compatible Printer】Compatible with the Kobra 3/Kobra 3 Combo, please confirm your 3D printer model before ordering.     【High Precision】：The heater block kit keeps a stable temperature during printing and lets the filament out evenly, supporting a print speed of up to 600mm/s, allowing models to be printed faster, achieving quality printing     【Quality Promise】：Upon completion of installation, it is advisable to inspect the sealing of all components prior to usage and adjust the hotbed to ensure peak performance.