This unique piece of tribal piercing jewelry is handcrafted with natural black obsidian crystal. The obsidian stones have an elegant volcanic glass texture that adds an earthy touch. The piercings come in a range of sizes from 12g to 1/2 inch, allowing you to stretch your septum or other piercings over time. These pins are hypoallergenic and comfortable for daily wear. Whether you're looking for a subtle accent or bold statement piece, this obsidian crystal gauging piece is a conversation starter. Crafted by skilled artisans, each piece is one-of-a-kind and designed to be worn with pride.