Joel Halen Flat Top Quartz Bangers are the newest addition to his quality, high-end functional quartz dab utensils. These 100% pure American quartz bangers feature either a 25mm or 30mm XXL quartz size bucket with a flat top and flat bottom which allows for high volume and increases airflow to bring out the best flavor of your favorite oils, shatter, or wax. The classic design of these quartz bangers allows for faster heating up time and retains heat well, resulting in an optimal low temp dab every time.