[Enhanced Kit for K1/K1 Max]This upgraded Ceramic Heating Block Kit is tailor-made for K1 and K1 Max printers, optimized for high-speed printing. Crafted with a titanium alloy and copper alloy heat break featuring an ultra-thin wall thickness of 0.25mm, it ensures superior heat insulation. The nozzle, made from copper alloy and hardened steel, guarantees durability while facilitating high-flow printing. [Supports High-speed Printing up to 600mm/s]With a 30% increase in the overall hot melt section, including a 28.5mm length large hot melt section and 32mm³/s high flow, this kit enables printing speeds of up to 600mm/s. [Powerful 60W Ceramic Heating Ring]Featuring a robust 60W 360°C surround ceramic heating ring, this kit delivers enhanced heating efficiency, uniform heating, and rapid heat transfer, reaching 200°C in just 40 seconds. [High Temperature Resistance up to 300°C]Its all-metal design ensures enhanced performance and can withstand temperatures of up to 300°C, making it