Features: High Thermal Conductivity: Powerful 60W ceramic heating ring improves heating efficiency, more uniform heating and faster heat transfer. 600mm/s High-speed Printing: The overall hot melt section is increased by 30 percent (The hot melt section length is 28.5mm), supporting 600mm/s high-speed printing. 300 celsius High Temperature Resistance: All metal design, more powerful overall performance. Support 300 degrees C high temperature printing, compatible with more filaments such as PLA, ABS,PETG, TPU, PP, PC, nylon, etc. Processing Upgrade for Better Printing: The heat break is made of titanium alloy, with an extremely thin wall thickness of 0.25mm for excellent heat insulation performance. Nozzle inner wall roughnesss Ra0.4, smoother feeding. This ceramic heating block kit is suitable for Creality K1 and K1 MAX 3D Printers. Specification: Model: Ceramic Heating Block Kit Nozzle: 0.4mmx1 Weight: 24g Compatible Filaments: PL A ABS, PETG, TPU, PP, PC, nylon, etc. Support Filament Diameter: 01.75and0.05mm Ceramic Heating Power: 60W Package Size: 92 x 27 x 20mm/3.6 x 1 x 0.7in Package Weight: 30g/1oz Packing List: 1 x Ceramic Heating Block Kit