Access Door Flush Mount Uninsulated Material 16 ga Stainless Steel Access Door Installation Wall or Ceiling Door Height 16 in Door Width 16 in Rough Opening Height 16 3/8 in Rough Opening Width 16 3/8 in Closure Type Screwdriver Operated Cam Latch Hinge Type Hidden Pin Mounting Hole Size 8 Holes Diameter 1/4 in Finish Brush 304 #4 Finish Features Quick and Easy Installation