Product name: KOYOFEI 12PCS 0.4mm Brass nozzles kit for Kobra 3 Series.
Product material: International brass
Diameter size: 0.4mm
Compatible Models: For Kobra 3, Kobra 3 Combo
Compatrible Filament diameter: 1.75mm
Package includes: 12PCS 0.4mm brass nozzles.