Neverwinter Nights 2 Equipment Database: Item Details
Chime of Opening
Base Item: Miscellaneous Item
Charges: 50
Weight: 0.5 pound(s)
Resource Name: x0_it_mthnmisc04
Installation: Neverwinter Nights 2 (Base)
Special Properties
Cast Spell: Knock (3) [1 Charge/Use]
When played, the Chime of Opening sends forth magic vibrations that cause locks, lids, doors, valves, and portals to open. The device functions against most normal bars, shackles, chains, bolts, and so on.

These chimes can be used extensively, but will eventually crack and become useless.