Features proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent. The attached 16" (40cm) cord ensures proper assessment distance to get the most effective results for the patient. A LEA SYMBOLS® response key is printed on the test card. Flashcards and instructions included. Dimensions: 8" x 10" (20.3 cm x 25.4 cm). Testing distance: 16"/40cm.