The 1644-504 frame is designed for clip-on lenses. The black metal frame has a matte black finish and the lens clip element is made of glass fiber with reinforced plastic.

Features:
* Lightweight
* Can be worn comfortably over eye wear
* Unrestricted field of view
* Metal frame

NOTE: It is just the frame. Lens NOT included.

Manufacturer: Eschenbach
Origin: Germany
Model: 1644-504