High Lubricity Wear Resistant Nozzle Upgrade MK8 0.4 mm - For MakerBot and RepRap Hotends with M6 threads</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Compatible replacement for use on MK8 and MK7 type hot-ends with a M6-threaded heater block (the hotends for MakerBot Replicator 2， 2X， and 1).</li><li>Hard coating improves service life and reduces down time</li><li>Standard 0.4 mm nozzle hole diameter</li><li>Highly recommended for use with abrasive filaments (metal filled， glow-in-the-dark， carbon-fiber filled)</li><li>Also recommended for use with clog-prone filaments (fiber filled， PVA)</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41-FGI2XXeL.jpg' noproxy></br>