Feature: 1. This upgrade nozzle accessory is suitable for K1/K1C/K1 MAX 3D printers. 2. High Thermal Conductivity - Uniform Heating 360° surround ceramic heater improves heating efficiency. more uniform heating and faster heat transfer. 3. Efficient Cooling Upgrade for Easy Printing - Heat dissipation part featuring a split design for reduced heat transfer, the red copper heat sink enhances cooling efficiency. 4. High flow \u0026 high-speed printing - Enlarged nozzle chamber, achieving a maximum flow rate of up to 32 mm³/s, and supporting high-speed printing at 600 mm/s. 5. All-metal integrated design - The nozzle and heat break adopts an all-metal integrated design, facilitating quick disassembly and convenient replacement. 6. Upgraded material for a variety of filaments - The heat break is made of titanium alloy, which reduces heat conduction. The nozzle is composed of copper alloy and hardened steel, supporting the printing of various filaments such as PLA, ABS, PETG, TPU, PP, PC, PLA-CF, PA-CF, PET-CF. Specification: Features: This upgrade nozzle accessory is suitable for K1/K1C/K1 MAX 3D printers. High Thermal Conductivity - Uniform Heating 360° surround ceramic heater improves heating efficiency. more uniform heating and faster heat transfer. Efficient Cooling Upgrade for Easy Printing - Heat dissipation part featuring a split design for reduced heat transfer, the red copper heat sink enhances cooling efficiency. High flow & high-speed printing - Enlarged nozzle chamber, achieving a maximum flow rate of up to 32 mm³/s, and supporting high-speed printing at 600 mm/s. All-metal integrated design - The nozzle and heat break adopts an all-metal integrated design, facilitating quick disassembly and convenient replacement. Upgraded material for a variety of filaments - The heat break is made of titanium alloy, which reduces heat conduction. The nozzle is composed of copper alloy and hardened steel, supporting the printing of various filaments such as PLA, ABS, PETG, TPU, PP, PC, PLA-CF, PA-CF, PET-CF. Specification: Nozzle: 0.4mm Weight: 40g Support Filaments Diameter: 1.75±0.05mm Suitable Filaments: PLA/ABS/PETG/TPU/PP/PC/PLA-CF/PA-CF/PET-CF Ceramic Heating Power: 60W Package Size: 105x43x30mm/4.1x1.7x1.1in Package Weight: 90g/3.1oz Packing List: 1 x K1 Series Ceramic Heating Block Kit Package List: 1 x K1 Series Ceramic Heating Block Kit