Solid 18K Gold, threadless (pressure fit) top. Handmade at Luar, Apophis is available in yellow gold, rose gold, and white gold. All gold is nickel free. Apophis is made slightly different each time, ensuring it is completely unique to its owner. No 2 pieces are exactly the same. Measures roughly 6-7mm. High polish finish with hand crafted texture. Sold individually. Check out our threadless labrets if you need a post/backing for this top!