Hammer

Hammer is a free-to-play item on the OSRS Grand Exchange in the other category.

In-game examine text: "Good for hitting things!"

It has a Grand Exchange buy limit of 40 every four hours, a high alchemy value of 1 gp, and item ID 2347.

View on OSRS Wiki

Hammer currently has a flip margin of −1 gp, which isn't profitable to flip right now despite 6,130 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.