Notes:Type A: 0.3mmType B: 0.4mmType C: 0.5mmDescriptions:These M6 nozzles are spare accessories for Geeetech All Metal J-head hotend.They provide you with the ability to change the precision/speed balance of your printer by choosing an orifice size to match your printing requirements.Specifications:Filament Size: 3mmNozzle Size: 0.3mm/0.4mm/0.5mmPackage Includes:1 x Spare nozzle for Geeetech All Metal J-head