Properties, frame materials: metal, Lens Width: 2 1/16 "(52 mm), frame width: 5 5/16" (135 mm) Lens Height: 1 5/16 "(33 mm) height of the frame: 13 / 8 "(35mm format) bridge (DBL): 5/8" (16mm) to the temple length: 5 5/16 "(135 mm) spring hinge: is the lens: aspherical head size: medium to a wider to avoid damage, never use paper towels or clothing or alcohol to clean your glasses, but also to avoid using household cleaner or soap. While a few mild soap does not hurt the lens of today soap extra strength is strong enough to slowly disintegrate lens coating.
