Feature:1. High Thermal Conductivity: 360° surround ceramic heater improves heating efficiency,more uniform heating and faster heat transfer.2. Upgrade Efficient Cooling: Heat dissipation part featuring a split design for reduced heat transfer, the red copper heat sink enhances cooling efficiency.3. High speed Printing: Enlarged nozzle chamber, achieving a maximum flow rate of up to 32 mm/s, and supporting high speed printing at 600 mm/s.4. All metal Integrated Design: The nozzle and heat break adopts an all metal integrated design, facilitating quick disassembly and convenient replacement.5. Suitable for Printing a Variety of Filaments: The heat break is made of ti alloy, which reduces heat conduction. The nozzle is composed of copper alloy and hardened steel, supporting the printing of various filaments. And this Ceramic Heating Block Kit is suitable for Ender-3 V3 SE, for Ender-3 V3 KE 3D printers.Specification:Specifications:Nozzle: 0.4mm *1Weight: 50gSupport Filament: dia.1.75mm±0.05mmCeramic Heating: 60WCompatible Filament: PLA, ABS, PETG, TPU, PA,PC, PLA-CF, PA-CF, PET-CF, etc..Package List:1 x Nozzle Kit2 x Hex Wrench2 x Tube1 x Thermal Conductive Silicone1 x Instruction Manual