Spined boots

Spined Boots is a members-only item on the OSRS Grand Exchange in the armour category.

In-game examine text: "Some finely crafted Fremennik boots, made from spined dagannoth hide."

It has a Grand Exchange buy limit of 125 every four hours, a high alchemy value of 390 gp, and item ID 6143.

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Spined Boots shows an active flip setup with a margin of +303 gp and 394 trades over the last 24 hours.

At the buy limit of 125 every four hours, max profit per cycle is about 37.9k gp — high margin with healthy liquidity.