【for Ender 3 V3 KE】This Ceramic Heating Block Kit is compatible with Creality Ender-3 V3 KE for up to 500mm/s high speed printing. The heat break is made of Bi-metal (copper+titanium alloy), preventing thermal creep. Copper nozzle, enabling 300°C printing【60W Ceramic Heating Ring】Powerful 60W ceramic heating ring improves heating efficiency, more uniform heating and faster heat transfer. Heating up to 300°C in 40 seconds【300°C High Temperature Resistance】All-metal heat break design boasts enhanced performance and high temperature resistance up to 300°C, making it compatible with more filaments such as Hyper PLA, ABS, PETG, TPU(95A) and ASA, and more【Support Up to 500mm/s High-speed Printing】The overall hot melt section is increased by 30%. The 28.5mm length large hot melt section and high flow able to fully melt filaments for up to 500mm/s high-speed printing【Excellent Nozzle】Joints fit tightly and effectively prevent filament leakage. Smooth inner wall for smooth feeding. No burrs at the orifice, stable printing, not easy to block the material.The advanced processing technology makes the printing model more smooth and delicate