Quartz Bangers are essential pieces used in many dab rigs. This listing is for a male joint banger with a 90 degree bend. Two options are available, 14mm and 18mm. All of our bangers are made of 100% quartz and are high quality. All have thick 4mm walls that can withstand a lot of heat. Lastly, all of our quartz bangers are made with all clear glass and no frost, for a nice, clean look.