Ruper double lens magnifier with metal body.
It has 8x in one of the lenses whose diameter is 25 mm and 15x in the other lens whose diameter is smaller: 14 mm.
It is a field coddington magnifying glass, to analyze from a leaf, an insect, a stone or any small object that requires many magnifications to visualize it well.
The lens is very correct and sharp ratio, quality, price. It is made of glass and is attached to the metal body with screws.