Solid sterling silver engraved dog tag necklace with a combination of bright polished finish and black plate in the recess of the design to enhance the detail. The Hydraulix tag is sold with a 2mm silver ball chain in bright polished finish. We also offer a heavier ball chain in 3mm or 4mm. All chains have a bright polished finish. To have a specialty finish in gun metal or black please email us email@example.com. We’re happy to help. *Please note, this is a custom made piece and will take approximately 4-6 weeks from time of order.