Folding Pocket Magnifier 30X Metal Mini Jewellery Loupe Portable Magnifying Glass for Reading Gift. Feature: Mini size, foldable, light weight and portable. Optical glass lens, high transparency, small dispersion coefficient, clear magnification effect. Satisfy multiple purposes in daily life, such as reading newspapers, jewelry appreciation. Specification: Material: zinc alloy, optical lens. Size: 82*32*21mm (expanded) 51*32*21mm (folded). Lens diameter: 26mm. Magnification: 30 times. Application: Widely used in mechanical processing, electronic maintenance, jewelry identification, etc.