Halo Glass Dome Attachment Kit 510 Style Glass Vapor Dome Compatible with all 510 Threading Made with High Grade Titanium The Halo Glass Dome Attachment Kit 510 Style is the most versatile glass dome attachment available. It fits on any 510 threading pen-style vaporizer. The high-end design and high-end materials allow for your essential oils to vaporize in under 10 seconds! The nail is made of a high grade titanium with ceramic nichrome parts. Each kit features 3 replacement heating chambers to give this product an even better value!