Features:<br> Pack of 5 x 3D Printer Extruder Hotend 30mm Length 1.75mm Nozzle Inputting Tube( for MK8 Makerbot Reprap for Prusa I3 3D Printer) and 5 x 3D Printer 0.4mm Extruder Brass Nozzle Print for Head.<br> Nozzle Throat: Outer Thread - M6; Inner Diameter - 2mm; Length - 30mm; Filament Diameter - 1.75mm; Material - Stainless Steel.<br> 0.4mm Extruder Brass Nozzle Print Head: Color - Golden; Material - copper (brass); Size - 5x13mm; Input Diameter: 1.75mm; Output Diameter: 0.4mm.<br> Compatibility: for all 1.75mm PLA ABS 3D Printer<br> Quanlity:15pcs/lot (5 piece 1.75mm Nozzle Inputting Tube,5 piece 3D Printer 0.4mm Extruder Brass Nozzle Print for Head,5 piece Heater Blocks Hotend)<br> <br> Specifications:<br> Material: Steel+Copper<br> Weight: 55g<br> Size: As picture shows<br> <br> Note:<br> 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.<br> 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 5 piece 1.75mm Nozzle Inputting Tube<br> 5 piece 3D Printer 0.4mm Extruder Brass Nozzle Print for Head<br> 5 piece Heater Blocks Hotend