Features: 14X magnification with 12mm effective diameter lens. Foldable and tiny, great to have one in your pocket all the time-. With a built-in foldable sliding case that protects the lens from dust- and damage. Just pull out the jewelry magnifier to use and put it back when not in use, ease to use and convenient to take it anywhere. Great tool for the watch making industry, specially for inspecting those tiny objects, good for inspecting gems- and diamonds. also is a great gift for the kids to explore the fabulous tiny world! Specifications: Material: aluminum alloy+optical glass Folded size: approx 2.5x1.6x1.6cm/1x0.6x0.6-inch Opened size: approx 4.0x1.6x1.6cm/1.6x0.6x0.6-inch Effective diameter: 12mm/0.5-inch Magnification: 14x Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1X Folding Magnifying Glass