Diameter: input diameter: 1.75mm; output diameter: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm Compatibility: compatible with all 1.75mm pla abs printer Material: brass Installation: external M6 thread connection 36 Pcs 3D Printer Nozzles M6 Extruder Brass Nozzle Print Head (4 x 0.2mm+ 4 x 0.3mm+ 12 x 0.4mm+ 4 x 0.5mm + 4 x 0.6mm + 4 x 0.8mm + 4 x 1.0mm) for MK8 Specification of Brass Nozzle: Type: Extruder Brass Nozzle Print Head Color: golden Attention: Small parts, keep away from children package including: 4 x 0.2mm Nozzle Print Head 4 x 0.3mm Nozzle Print Head 12 x 0.4mm Nozzle Print Head 4 x 0.5mm Nozzle Print Head 4 x 0.6mm Nozzle Print Head 4 x 0.8mm Nozzle Print Head 4 x 1.0mm Nozzle Print Head (does not include other products) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.