copper nozzle , M6 thread, compatible Ultimaker. 2mm diameter, 1.75 mm /3mm for supplies , there are0.2mm, 0.3 mm , 0.4mm ,0.5mm and 0.8mmholes for selection Note: 1.Filament:1.75mm,3mm 2.Nozzle:0.2mm, 0.3mm , 0.4mm ,0.5mm, 0.8mm (note:but 0.2mm/0.8mm nozzle just for 1.75 filament, about 3mm filament we only have 0.3mm, 0.4mm, 0.5mm ) When you place the order,please leave message to tell us what kind of nozzle you need ,0.2mm, 0.3mm , 0.4mm ,0.5mm or 0.8mm , and which filament you need ,1.75mm or 3mm if you need 2 lot of (0.2mm 0.3mm 0.4mm 0.5mm 0.8mm) for 1.75mm, or other types, please leave message to tell us . copper nozzle , M6 thread, compatible Ultimaker. 2mm diameter, 1.75 mm /3mm for supplies , there are0.2mm, 0.3 mm , 0.4mm ,0.5mm and 0.8mmholes for selection Note: 1.Filament:1.75mm,3mm 2.Nozzle:0.2mm, 0.3mm , 0.4mm ,0.5mm, 0.8mm (note:but 0.2mm/0.8mm nozzle just for 1.75 filament, about 3mm filament we only have 0.3mm, 0.4mm, 0.5mm ) When you place the order,please leave message to tell us what kind of nozzle you need ,0.2mm, 0.3mm , 0.4mm ,0.5mm or 0.8mm , and which filament you need ,1.75mm or 3mm if you need 2 lot of (0.2mm 0.3mm 0.4mm 0.5mm 0.8mm) for 1.75mm, or other types, please leave message to tell us . copper nozzle , M6 thread, compatible Ultimaker. 2mm diameter, 1.75 mm /3mm for supplies , there are0.2mm, 0.3 mm , 0.4mm ,0.5mm and 0.8mmholes for selection Note: 1.Filament:1.75mm,3mm 2.Nozzle:0.2mm, 0.3mm , 0.4mm ,0.5mm, 0.8mm (note:but 0.2mm/0.8mm nozzle just for 1.75 filament, about 3mm filament we only have 0.3mm, 0.4mm, 0.5mm ) When you place the order,please leave message to tell us what kind of nozzle you need ,0.2mm, 0.3mm , 0.4mm ,0.5mm or 0.8mm , and which filament you need ,1.75mm or 3mm if you need 2 lot of (0.2mm 0.3mm 0.4mm 0.5mm 0.8mm) for 1.75mm, or other types, please leave message to tell us . polybag