Mini Magnifying Glass: This jeweler's loupe is made of durable metal material, sturdy and reliable, has a certain degree of hardness and smooth surface, not easy to corrode and rust, the metal construction and metal folding cover will protect the lens from breaking and scratching, can serve you for a long time. Foldable Magnifying Glass: You just need to gently push the side of the metal magnifying glass, and it is convenient to push it back when not in use, suitable for both indoor and outdoor; folding design saves space, convenient to carry and carry, can also protect the lens from being scratched in pocket or bags. Geologist Magnifying Glass: This magnifying glass is ideal for rock collectors, coin collectors, jewelers, hobbyists, industrial uses, and also a great gift for children exploring the fabulous world. The whole eye magnifier uses optical magnifying lens and full metal shell, which can make this magnifier and light more sturdy, compact and useful