Features 1、Extruder Heating Kit: Upgraded ceramic heating block kit, suitable for K1 and for K1 Maximum 3D printers, supporting high speed printing up to 600mm/s, helping to improve printing quality and working efficiency 2、Ti Alloy Heatbreak: The heatbreak of the hot end is made of ti alloy to minimize heat transfer. Our nozzle is compatible with various filaments such as PLA, ABS, PETG, TPU, PP, PC, PLA-CF, PA-CF, PET-CF, and more 3、High Speed Printing: The entire hot end has been increased by 30%, with a maximum flow rate of 32mm³/s, can achieve 600 mm/s printing speed, the glossy spout prevents material clogging, ensures stable printing 4、High Flow Rate: The upgraded hotend kit features 60W 360 degree surround ceramic heating ring, sturdy and powerful, which improves heating efficiency and heats up to 200℃ temperature in under 40 seconds 5、Efficient Heat Dissipation: The printer hotend kit features a split design for heat dissipation, reducing heat transfer. The ceramic heating block has a Ni plated finish, enhancing wear resisting and increases gloss Specification Item Type: Extruder Heating Kit Material: Metal Nozzle: 0.4mm Temperature Resisting: 320℃ Printing Speed: 600mm/s Compatible Model: For K1, for K1 Maximum Package List 1 x Extruder Heating Kit (6 Accessories)