THIS IS A CHROME PLASTIC THREE HORIZONTAL GAUGE COVER WITH A VISOR. IT FITS THREE GAUGES FOUND ON THE DASH IN PETERBILT 379, 389, 388, 386, AND 384 MODEL TRUCKS 2006 AND NEWER. THE OPENING IS 1.5 INCHES IN DIAMETER, 7 3/4" WIDE, 2 3/8" TALL IN THE CENTER, AND THE VISOR IS 7/8" DEEP. PUSH ON APPLICATION. NEW. EACH.