A Ruby Filter, is a small device that you look through to aid in the identification of gemstones, in particular to spot real rubies amongst gemstones that are not rubies, or vice versa. Specifications: Filter Diameter: 20mm Body: Made of heavy metal Lens: Advanced Optic Glass, the retail stores sell this level of lens for twice of our price.
Features
- Product Type :Tools
- Package Dimensions :3.0″ L X3.0″ W X3.0″ H
- Country Of Origin :Switzerland
- Package Weight :3.0Oz
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