Klean Karats® Cleaner Pens are safe and effective on all metals and gems including soft, porous stones like opal. The only exceptions are Amber and Ethiopian Opals.
- Can be used on costume and antique jewelry pieces
- Click pen with locking mechanism
- Formula consistency stays on brush
*Liquid is biodegradable, meaning it can break down and not contaminate or pollute our water, or our environment.
