Top Quality MK8 Brass Nozzles For 3D Printers Hotend MakerBot 1.75 Filament Head J-head Extrusion Prusa i3 Extruder 0.3/0.4M     Description: We choose the best materials that we can find on market combined with high precision CNC maching to bring this high quality nozzles.   We strictly following the E-3-D latest drawing to achieve best print result. The flat surface tip of the nozzle which flattens down the layer is custom machined to each nozzle size.A small nozzle tip gives you high precision,and a wide nozzle tip assists in the smooth printing of larger layers.   All nozzles in the series are now individually identifiable with markings on the flats of the hex head making them even more convenient to work with.See the table on the left for identification.     Number of  Dots: 0.3mm(3 dots)  0.4mm(4 dots)     Package listing: 1pc nozzle Inspection report of nozzles: