Features: This 5X magnifier can help you watch the jewelry or other little objects carefully and clearly. The lens is made of optical glass and it is . The necklace adopts quality zinc alloy material, sturdy and , can provide a long service life. Great for reading, jeweler\'s inspection, yard sale or swap meet buyers, stamp, coin, gems. Portable size is easy to carry, convenient to use. Specification: Item Type: Necklace Magnifier Material: Zinc Alloy, Glass Optional Colors: Gold, Silver Len: 1-3/4\" powerful glass lens made of optical glass Magnifier: 5X power magnification Magnifier Diameter: Approx.4.5cm / 1.8inch Chain Length: Approx.46cm / 18.1inch Weight: Approx.31g / 1.1oz Uses for: hobbyists, stamp collectors, jewelers, map readers, watch repair, students etc. Package list: 1 x Necklace Magnifier Label: Yes