These Bent Neck Glass Dab Rigs from Glass House stand 6.75 inches (17.1cm) and have a fixed downstem and a Glass House logo on the exterior. Made of quality borosilicate glass, this rig includes 14mm male flat top quartz banger. Banger Dimensions: 20mm outer diameter, 14mm inner diameter, 27mm height, 23mm depth, 3mm thickness