Our 4mm thick quartz banger nails are a unique accessory that provides several benefits over a standard quartz nail. The heat retention is outstanding. This design is available in your choice of (10mm, 14mm, or 18mm) and fits easily over Male or Female Joints. Our most common angles are typically 45 and 90 degrees. Customs available upon request. This domeless nail is made of high quality quartz and is a great addition to your collection.