Features 1、Extruder Hotend Kit: The hot end kit is composed of bimetallic (brass and ti alloy) and insulation components, offering fast heat dissipation, and specifically designed for Kobra 3 printer 2、Upgraded Structure: The heatbreak tightly integrates with the heating block, featuring an upgraded structure with stepped limits at the mating points, reducing filament leakage and detachment 3、Glossy Inner Wall: The heatbreak and nozzle have an inner wall roughness of Ra 0.4, and the ti alloy heatbreak wall thickness is 0.25mm, minimizing clogging and enhancing printing quality 4、High Speed Printing: The print head ensures even heating, and the nozzle interior is glossy with no burrs, reducing air obstruction, preventing filament clogging, supporting fast printing 5、Easy Installation: Pre installed heating tube, thermistor, and nozzle simplify the installation process; simply remove the old hot end and attach the new hot end to start using immediately Specification Item Type: Extruder Hotend Kit Material: Brass, Ti Alloy Support Printing Materials: PLA, ABS, PETG, TPU, PP, PC, Nylon, PEEK, PEI etc. Application: For Kobra 3 3D Printer Package List 1 x Extruder Hotend Kit