These 16 gauge jump rings are approximately 7.5 x 15 x 1.2mm with the inside area 5x10.5mm. They have a silvery finish (sometimes called "white") plated over brass and are easy to manipulate. These can be used as bails on front-drilled items, decorative links, or connected together to make chain. You'll receive 30 to the pack (available in 10 packs on different listing). These are made in the USA.