The gorgonite gauntlets (Tier 9) are an item, worn in the hand slot, that can only be obtained and used while Dungeoneering. They require level 80 Defence to wear. They may be obtained as a monster drop, or produced using the Smithing skill.
They can be produced by using 1 gorgonite bar with a hammer on an anvil, requiring level 81 Smithing and granting 82.5 Smithing experience.