Attempting an Open Lock check without a set of thieves' tools imposes a -2 circumstance penalty on the check, even if a simple tool is employed. If you use masterwork thieves' tools, you gain a +2 circumstance bonus on the check.
Check: The DC for opening a lock varies from 20 to 40, depending on the quality of the lock, as given on the table below.
Lock DC Lock DC
Very simple lock 20 Good lock 30
Average lock  25 Amazing lock 40
Action: Opening a lock is a full-round action.
Special: If you have the Nimble Fingers feat, you get a +2 bonus on Open Lock checks.
Untrained: You cannot pick locks untrained, but you might successfully force them open.
Find topic in: Basics, Characters, Epic, Equipment, Monsters, Psionic, Rules of the Game
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