Drop-down adapters are meant to keep the heat away from your rig. There are three different adapters so you can find the perfect one for your needs.
This Dankstop Dropdown adapter is 4" in length. Use this glass z-shape converter with a 1.5" drop turn your 10mm male joint rig to offer a 10mm female joint. This converter is a great adapter to have to make you are dabbing a more seamless, much easier experience.