American Optical Red Dot Screw 54□20 140

Description

American Optical

Model:  Red Dot Screw 

Size: 54□20 140

Color: Brown

Shape: Square

Material: Acetate

Condition: Pre-Owned. In pristine condition very well built 7 barrel hinges vintage American Optical frame with red screws, In 1955 American Optical introduced the Red Dot System or red screws to help ensure the screws for their vintage frames did not get loose or fall out, and maintained the proper tension while opening and closing the frames. The red dot mark is on a tubular rivet of new design and which incorporates a nylon bushing. A precision machine is supplied to seal the rivets in hinges that have been drilled and reamed. The machine will accommodate 3-, 5-, and 7- barrels, and assures the right amount of expansion of the bushing to guarantee a firm hinge tension that will not change with use. (This frame is a high quality 7 barrel hinges which makes opening and closing of temples satisfying)

Note: Does NOT come with case or accessories unless otherwise specified.

Lenses: These eyeglasses do not come with lenses, which is ideal to fit them with your own prescription or non-prescription lenses. To make lenses that are a perfect fit, your lab technician will use a tracer machine that traces the shape of the frame for the exact measurements.

Hinges: 7 Barrel/Non-Spring

Lens Width Bridge Width Lens Vertical
desc desc desc
54 mm 20 mm 41 mm

 

Temple Length Overall Frame Width Frame Vertical
desc desc desc
140 mm 142 mm 46 mm

 

 

Product form

SKU: UNG03-A29853

$199.99

American Optical

See below for more information.

    • Free shipping in the U.S. for all products.
    • Returns are accepted within 30 days of purchase. See our return policy.

      Description

      American Optical

      Model:  Red Dot Screw 

      Size: 54□20 140

      Color: Brown

      Shape: Square

      Material: Acetate

      Condition: Pre-Owned. In pristine condition very well built 7 barrel hinges vintage American Optical frame with red screws, In 1955 American Optical introduced the Red Dot System or red screws to help ensure the screws for their vintage frames did not get loose or fall out, and maintained the proper tension while opening and closing the frames. The red dot mark is on a tubular rivet of new design and which incorporates a nylon bushing. A precision machine is supplied to seal the rivets in hinges that have been drilled and reamed. The machine will accommodate 3-, 5-, and 7- barrels, and assures the right amount of expansion of the bushing to guarantee a firm hinge tension that will not change with use. (This frame is a high quality 7 barrel hinges which makes opening and closing of temples satisfying)

      Note: Does NOT come with case or accessories unless otherwise specified.

      Lenses: These eyeglasses do not come with lenses, which is ideal to fit them with your own prescription or non-prescription lenses. To make lenses that are a perfect fit, your lab technician will use a tracer machine that traces the shape of the frame for the exact measurements.

      Hinges: 7 Barrel/Non-Spring

      Lens Width Bridge Width Lens Vertical
      desc desc desc
      54 mm 20 mm 41 mm

       

      Temple Length Overall Frame Width Frame Vertical
      desc desc desc
      140 mm 142 mm 46 mm

       

       

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