Double glass lens loopy provides 3.3X-3.3X magnification

Clip on any kind of template or eyeglasses sideways

Lightweight, hands-free magnification

Can combine lenses to increase strength 7.6x

Lens diameter: 24mm

Size : 10X

Pivoting loopy Nickel plated body Easy to flip away when not in use Clips onto any set of eye glasses or template for magnification Adjustment screws for fine tuning your magnification settings Adjustable length magnification arm Dimensions: loopy and arm - 2-1/2, pivot arm and clip - 1-3/4