Fangrui Product Details Features: Comprehensive Upgrade: Elevate Your 3d Printing Experience With This Specially Designed Upgrade Kit For K1c, Compatible Also With K1 Max Models. Ideal For Hobbyists And Professionals Alike, This Kit Ensures A Seamless And Efficient Printing Process. High-quality Components: Featuring A Hardened Steel Nozzle Of 0.4mm, The Kit Provides Exceptional Durability And Precision. The Quick Swap Technology Allows For Easy Nozzle Changes, Minimizing Downtime And Maintaining High Workflow Efficiency. Enhanced Durability And Performance: The Upgraded Components Are Engineered To Withstand High-temperature Printing, Making Them For Demanding Projects That Require Meticulous Detail And Robustness. Specifications: Nozzle: 0.4mm 0.6mm 0.8mm Supporting Consumable Diameter: 1.75 0.05mm Ceramic Heating: 60w Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Not Affect Use Material: Titanium Alloy + Copper Alloy + Hardened Steel Colour: Black Package Content