Fire Rated Access Door Flush Mount Insulated Material 20 ga Galvanized Steel Door 16 ga Cold Rolled Steel Frame Access Door Installation Wall or Ceiling Door Height 8 in Door Width 8 in Rough Opening Height 8 1/4 in Rough Opening Width 8 1/4 in Closure Type Self-Latching Tool Key and Ring Operated Slam Latch Hinge Type Piano Mounting Hole Size 8 Holes Diameter 1/4 in Finish White Powder Coated Primer