These nozzles are compatible with Metal J-Head hotends for 1.75mm/3.0mm filament, sold in our store. They are also compatible with E3D J-head structure, 1.75mm/3.0mm filament
Specifications:
Material: Copper;
Extrusion diameters: 0.2mm/03mm/0.4mm/0.5/0.6mm/0.8mm (according to your selection).
Internally threaded: M6 (Machine thread)
Suitable for E3D J-head structure, 1.75mm or 3.0mm filament (according to your selection).