Mahogany planks are items made from mahogany logs and can be used in making the highest tier furniture in the Construction skill.

A plank of expensive mahogany. Mahogany plank. Current Guide Price 1,135. Today's Change 1 + ...

Refined Mahogany Planks are an intermediate material made at the sawmill in Fort Forinthry. They are used in Construction to make mahogany frames.

Made by taking Mahogany logs to Bill and pay him 500 Coins per log. Alternatively, you can cast Plank Make on Mahogany logs, costing 500 Coins per log.

Mahogany planks are the highest level planks used in the Construction skill. The planks may then be used to make furniture in a player-owned house.