AJS - is a registered Polish brand with almost twenty years history of existence, - Established in 2006. All collections are made in very small quantities, which makes them unique. A solid men's ring with a large black protruding crystal in center and modern style polished ring rail dimension fo the protruding black crystal is +- 14mm x 14mm Material: Hypoallergenic Surgical Steel 316L + 24kt Gold Plated + black crystal 24kt stands for - 240 mikrons - KT - Kera-Tough PVD-Method The most durable gilding method American Size 10 ( European Size 63 - 20mm inner diameter ) Condition: Excellent Shipping: Will be shipped with Tracking number by Global Express