We paid close attention to the "Screws Fell Out", "Springs Fell Off", "Arms Snapped Off" etc and find the correct way to improved these issue for this style.
Included a protective case and microfiber Cleaning cloth
Spring-hinged temples, help glasses fit your face
Acrylic Lens and Optically Correct
Frame material: Metal, Lens width: 1 7/8" (48mm), Frame width: 4 13/16"(122mm), Lens height: 1 7/8" (48mm), Bridge (DBL): 5/8"(16mm), Temple length: 5 1/8"(130mm), Spring hinge: Yes, Pupil to pupil distance: 2 7/16"(62mm), Lenses: Aspheric, Head size: Narrow to Medium