Octopus Tentacle ring made of yellow brass or white brassBeautiful octopus tentacle ring was originally made from a real octopus tentacle and cast in brass, white brass. The ring is an open shank design which can be adjusted to fit most sizes. The tentacle is high polished and antiqued to bring out the beautiful detail of the suction cups. Measurements: Ring Size : adjustable Ring weight is about 10. 5 grams depending on the metal its made from