For Centauri Carbon Hardened Steel Nozzle 0.2/0.4/0.6/0.8MM 0.4MM 0.6MM 0.8MM Size Nozzle for Elegoo Carbon 3D Printer Accessorie Super wear resistance and high temperature resistance, can achieve smooth extrusion to obtain fine details, compatible with 1.75mm PLA/ABS/PETG/TPU/PA, especially engineering filament PA+CF, PEEK+CF, ABS+GF, etc.