Quartz Banger 20mmGet more Flavor with the MiniNail Quartz Banger. Low consistent heating of the quartz dish allows you to get more of your concentrate without "pooling" and cooling off like a torch, and thus creates optimal function. Custom designed 5mm thick quartz base and thick quartz walls provide excellent heat retention especially at low temperatures. Features: Flat Top Quartz Banger w straight hook made for easy use with MiniNail Heater coils High quality pure