This is a REAR SLIDER WINDOW for 1973-1987 Chevrolet & GMC trucks, also 1988-1991 Crew Cab Trucks. Slider comes with Gray Tinted Solar Glass. Frame Measurements: Width 62-3/4" (1.59 m); Height 14-1/2" (368 mm). Daylight dimensions when fully open: 19-3/8" x 12" (492 x 305 mm). Glass items require special handling and packaging - special freight charges will apply. Call or email us for a freight quote.