Specification:
Quantity: 1 piece
Color: silver
Material: metal, glass lens
Size: as shown in the picture
Packing list:
1 x 10x 20x Folding magnifying glass

Pros:
-Jewelry magnifiers with two magnifications
-Jeweler's loupe is a metal construction with crystal clear lenses
- very portable, easy to carry
-leave on work table and not take up room
-This little loupe offers clear, powerful magnification
- comes with a small hard plastic felt lined storage case

Twin-lens Usage:
(1)for 10X lens, according to personal vision, your eyes should be about 1cm from the lens and the specific object should be about 1-2cm from the lens.
(2)for 20X lens, according to personal vision, your eyes should be about 0.5cm from the lens and the specific object should be about 1cm from the lens.