Personalized Unisex Natural Gemstone Bullet Rings, with Platinum Plated Brass Findings, Crystal. Size: about 17mm inner diameter; bullet: about 29x27x8mm. Bold and beautiful! Though using the simple materials mostly in the materials utilization, these rings show elegant and delicate. The well polished gemstones both are with a shinning appearance. Everyone will be passionate about them. So buy this Personalized Unisex Natural Gemstone Bullet Rings For $2.89/pc @PandaHall.