Truesilver Skeleton Key

Truesilver Skeleton Keys are used to open strong locks.

Overview
The Truesilver Skeleton Key can be used by Blacksmiths to open locked doors or chests requiring up to 200 Lockpicking skill.

This includes:
 * The gate in Deadmines.
 * The doors in Gnomeregan and Scarlet Monastery
 * Large Iron Bound Chests
 * Large Mithril Bound Chests found in Uldaman but not in higher-level instances.

Source
Truesilver Skeleton Keys are crafted by Blacksmiths with a skill level of 200.

The plans are learned from the Blacksmithing trainer.