Bear Quartz's PRO level premium quartz glass banger.  This banger is similar to the BQ 25mm Banger with it's 4mm thick flat bottom and beveled top.  The PRO features a new and improved full weld joint design!  Comes in all 14mm and 10mm angles.  MALE JOINT ONLY.
Outer Diameter: 25mm
Inner Diameter:  19mm
Base Thickness: 4mm