KIC Key Feature: Clog-free Extruder Kit with Quick-swap Nozzle :Tri-metal "Unicorn" Nozzle,Quick to Swap Cooling Trio,Refining the Print Quality: Hotend Fanfor Minimal Heat Creep; Part Cooling Fan for Instant Hardening; Auxiliary Fan for Overall Print Quality Make use of CF filaments, which are widely used in industrial printing for their mechanical strengthand resistance to wear, deformation, and aging Carefree & Smart Operationsfrom Start to Finish : Out of the Box Experience, Auto Calibration with One Tap The built-in Al camera can watch overprinting, and actively alert you when an error occurs. Also great for video monitoring and time-lapse filming. K1C inherits the lightweight and agile CoreXY system of K1. It offers a thrilling speed while retaining the print quality. Max Speed : 600mm/s. Max Acceleration : 20000 mm/s Hyper PLA CF Key Feature: High strength and layer adhesion Print speed up to 300mm/s Low shrinkage and warping resistance to achieve perfect matching accuracy between parts of the model Notably simpler to remove model support Suitable to print unmanned aerial vehicles, aircraft models, joints, drives, etc Work with both enclosed printer and open printer Recommended to print with hardened steel nozzles