NEW William Morris London WM50024 2 Green/Tortoise 52-17-140 Eyeglasses Frames. These are new with tags eyeglass frames that can be used for prescription (Rx) lenses.
The measurement 52-17-140 is a millimeter measurement of size
52mm is the width of the lens
17mm is the width of the nose bridge
140mm is the length from hinge to temple