4mm thick high quality domeless quartz banger nail 90/45 Degrees 10mm 14mm/18mm,male/female OD 20mm 100% real Quartz Banger Nail

1. Joint: 45&90 Degrees 10mm/ 14mm/ 18mm with Female & Male.2. Application: Glass Oil Rigs.3. Material: 100% Real Quartz. 4.Thickness:4mm