Features: High Thermal Conductivity Uniform Heating: 60W ceramic heater improves heating efficiency, more uniform heating and faster heat transfer. High Flow Support High Speed Printing: The overall hot melt section is enlarged, supporting 600mm/s high-speed printing. All-metal Heat Break with High Temperature Resistance: Up to 300 , All-metal design, and the nozzle is made of Brass to hardness while supporting high-flow printing, compatible with more filaments, such as PLA, ABS, PETG, TPU, PA, PC, PLA-, PA-, PET-, etc. Processing Upgrade for Better Printing: The heat break is made of titanium alloy and copper, with an extremely thin wall thickness and excellent heat insulation performance. Nozzle inner wall roughness RaO.4, smoother feeding. Applicable for: This Ceramic Heating Block Kit is suitable for K1 and K1 Max 3D Printers. Color: As Shown Material: Metal + silicone + plastic Package Contents: 1 x Hotend Kit(The color of the silicone sleeve is random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.