Accurate Gem Identification: This Ruby Filter excels in distinguishing between red gemstones such as Ruby, Beryl, Sapphire, and Tourmaline. Its precision is unmatched, making it an essential tool for anyone involved in the gemstone industry or hobbyists looking to refine their collection. User-Friendly Design: Designed with simplicity in mind, the Ruby Filter allows users to easily identify gems by holding the filter close to the eye. This straightforward method reveals the true nature of the stones, making it accessible for both beginners and seasoned gem enthusiasts. Versatile and Professional: The Ruby Filter is not only a favorite among professional jewelers but also serves as a fascinating tool for gemstone enthusiasts. Its versatility and professional-grade performance make it a must-have in any gem identification kit. Portable and Secure Storage: Each Ruby Filter comes with a protective leather pouch case, ensuring it remains safe and intact during transportation or storage. Color: As Shown Material: Metal Package Contents: 1*Foldable Ruby Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.