Mini U.S. Navy Mark V diving helmet made of solid brass and copper for the shoulder part, attached to a brass, screw-down carabiner.
The helmet itself has a polished finish but due to the nature of the material, it will develop a patina.
The height is ~30mm ( around 1.18").
The width at the maximum is ~33mm ( around 1.3").
The weight is ~39g.
Please, understand these items are hand made and meant to be keychains or pendants alternatively so small imperfections are possible here and there, just like on the pictures.
Brass Mini Nautical Diving Helmet Keychain, U.S. Navy Mark V Helmet