Using this E3D V6 Brass Nozzle is easy. First, make sure your 3D printer is compatible with the E3D V6 ecosystem (M6 thread). Then, carefully install the nozzle according to your printer's instructions. When printing, you'll notice a smooth filament flow because of the optimized internal geometry. If you need high - precision prints, choose the small - tip nozzle. For larger layers, the wide - tip nozzle will work great. When it comes to maintenance, keep the nozzle clean. After each use, let it cool down and then gently wipe it. If you notice any blockages, follow your printer's cleaning procedure. Also, since our products are genuine, you can trust their quality. But if you have any issues or questions, don't hesitate to reach out to us via live chat.