Rune pickaxe

Rune Pickaxe is a free-to-play item on the OSRS Grand Exchange in the weapons category.

In-game examine text: "Used for mining."

It has a Grand Exchange buy limit of 40 every four hours, a high alchemy value of 19.2k gp, and item ID 1275.

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Rune Pickaxe shows an active flip setup with a margin of +319 gp and 50,671 trades over the last 24 hours.

At the buy limit of 40 every four hours, max profit per cycle is about 12.8k gp — high margin with healthy liquidity.