Quartz banger 25mm by 35mm chamber (21mm x 31mm interior) Etched hexagon design 14mm male joint 90 degree angle Made with 100% quartz These 100% quartz bangers feature a 14mm male slide joint at a 90 degree angle. The bangers have an etched design of concentric hexagons. Banger dimensions: 25mm outer diameter, 21mm inner diameter; 35mm height, 31mm depth