PKMN.NET :: Dex :: Metal Powder
DEX -
ITEMS: Metal Powder

In-game description: An item to be held by DITTO. Extremely fine yet hard, this odd powder boosts the Defense stat.
Price: 10

Technical explanation and other notes
If held by Ditto, its defense and special defense stats are increased by 50% as long as it has not transformed.

Fling: 10 base power. Side effect: No additional effect

Pokémon with this as RBY to GSC trade item

Pokemon
Ditto