Empire Glassworks Quartz Banger is a high-quality quartz nail designed for use with concentrates. Made with thick quartz walls for superior heat retention, it ensures a flavorful and smooth experience. Its beveled edge helps create an airtight seal, maximizing vapor production. Features: Made Of Pure Crystal Quartz 14.5mm Male Joint Empire Glassworks Sandblasted Logo Dimensions: Height: 2.75" Width: 1" Weight: 24 Grams Notes: Limited Quantity and Availability.