King Ring by King Ring World Black and Blue Flat Tungsten Carbide Size 8, Men's Band or Unisex. These rings mean quality and are produced in the USA and sold worldwide. This is part of their Tungsten ring collection. Made of real super high-quality tungsten that is durable, non-fade, hypoallergenic, and scratch-resistant. Always fresh and vivid. Safe and comfortable: Keep your fingers safe with eco-friendly material and a comfortable fit. Easy everyday wear. Perfect for the ones who work in construction, or any service industry. This ring is part of an Amazon return pallet. Comes with all of the original packaging and a gift box.