Stainless Steel + PMMA 510 Drip Tip 7 Models <br>  <br> Description:<br> Material: stainless steel+PMMA<br> Connection Threading: 510<br> Fit for all the 510 devices<br>  <br> Package Included:<br> 1 x 510 drip tip     Note: the plastic ring can be white， black or red    <br> Detailed Pictures: