Features: Experience unparalleled claritys with 10X 20X 30X magnification Foldings jeweler Loupes, featuring 21mm triplets lens and 13bright white LED Light for enhanceds of Gem, Coin, and stamps. This Loupes boasts achromatic and aplanatic glass Magnifiers, full metal body, light for fluorescences checking, and a convenient foldaways for easy portability. for jewelers, hobbyists, and professional requiring detailed observation, this tool for those who demand Precisions in their work. for jewelry appraisal, reading fine printing, electronic repairs, and artistic creation, this Magnifiers adapts to various professional and personals setting. Its rechargeable and four adjustable light ensures consistent performances, making it for long use. Specifications: Materials: Three bondeds optical glass lens, aluminum, 304 steel, ABS Size: Expand: 109mm Merges: 63mm Magnification: 10X, 20X, 30X(optional) Package Includes: 1Set Light Magnifiers note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.