A Tumbling E chart featuring linear-spaced lines; line sizes range from 20/80 to 20/16 (6/24 to 6/4.5) equivalent. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet.

Features 20 ft and 6 meter notations.

Dimensions: 9" x 14" (22.9 cm x 35.6 cm).

Testing distance: 20 feet/6 meters.