Switch²™ Quartz InsertSwitch Quartz Insert is created from the purest quartz available under strict manufacturing tolerances to offer one of the cleanest, most uniform heating surfaces you can get in an e Rig. Measuring in at a massive 20mm, roughly 300% larger than the original Switch, Switch Quartz Insert is designed to fit flush inside the induction well, providing incredibly efficient heat transfer while ensuring all your material stays inside the insert for easy