14 mm Male Diamond Knot Quartz BangerDescription Many customers prefer the enhanced durability of quartz nails over fragile glass nails that are prone to cracking! Rest assured, you won't need to worry about that issue again with this banger! This 14mm Male Quartz banger is perfectly sized for almost all of our past Hemper pieces! This banger is unique since the diamond knot embedded in this banger has multiple "knots" that help with flavor and heat retention to improve the quality of