3pcs 0.3mm MK8 TC4 aleación de titanio M6 boquilla de hilo para impresora 3D Reprap Makerbot
These nozzles are very light weight, and anything that reduces the mass of the hot end must be good. We shall see if they outlast the standard brass nozzles, but at this price, they must be worth a try. Thermal conductivity is much less than brass, so maybe up the temperature by 5 or 10 degrees. Your mileage may vary ...