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The Hercules Bifocal Safety Glass Line from Global Vision are stylish and durable. With 3 different magnifications to shoos from (1.5, 2.0, or 2.5), Hercules has a model right for you. The black nylon frame has Vented EVA foam padding and rubber ear pads. The shatterproof polycarbonate lenses provide UV400 protection from the sun and are coated with a scratch resistant finish and are available in either clear or smoke tint. The Hercules line meets ANSI Z87.1-2003 Standards for use in Industrial Applications.