LEA Symbols® Proportional Distance Charts,800722
LEA Symbols® Pediatric Distance Chart, with proportionally spaced lines; line sizes range from 20/80 to 20/8 (6/24 to 6/2.4) equivalent. This chart can be used in the illuminated ESV1018 cabinet or hung on the wall. Chart Set includes response key and instructions along with the chart.
Measurements: 10 in x 18 in (25.4 cm x 45.7 cm)
Test distance: 10 feet/3 meters.