Bought at the Port Khazard general store.
Bought from Trader Crewmember at any Charter location for 31 coins.
Used in rebuilding the temple in the Shades of Mort'ton quest
Used in the repair the boat in the The Fishing Trawler mini-game.
Cannot be bought from a store.
High Alch: 18 Coins; Low Alch: 12 Coins.