Double hand jewelers loupe magnifier 10 x 18mm and 20 x 12mm in a plastic casing.
Folded in: 53 x 21 x 19 mm
Lens diameter: 18mm en 12mm
Working distance: 20 and 15mm
Magnification factor (measured): 12x en 17x
Box: 59 x 42 x 23 mm
Not suitable for loupe neck cord.