Granite hammer

Granite Hammer is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Hammer time."

It has a Grand Exchange buy limit of 8 every four hours, a high alchemy value of 38.4k gp, and item ID 21742.

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Granite Hammer shows an active flip setup with a margin of +19.2k gp and 2,380 trades over the last 24 hours.

At the buy limit of 8 every four hours, max profit per cycle is about 153.3k gp — high margin with healthy liquidity.