The GEAR Quartz 90 Degree Female Banger is made of 4mm thick quartz for the tastiest hits. Replace your glass nail or banger with one of these and see why Quartz is used for everything concentrate related. The deep, recessed bowl shape is designed for heat retention, durability and efficiency. This design can be used with or without a carb cap, and is excellent at minimizing waste. The 90 degree angle of these bangers make them better suited for ground joints pointing straight up. To keep them clean, wipe with cotton swabs after every use. Available in 19mm female joints. Compatible with male ground joints. PREMIUM PRODUCTS FIT FOR A KING…OR A NAUGHTY QUEEN. I’D HIT THAT! ™ – Gear Premium Smoking Products GEAR Glass is a top quality glass company established in Vancouver, Canada in 2003. They began their start by just making high quality, durable straight tube water pipes and bubble base water pipes, but due to the high demand for their quality glass, they eventually expanded into pipes, percolated water pipes, ash catchers, and diffused stems. The understated elegance of their design and the high quality of their glass makes them one of the most popular glass brands across North America.