4" Round Weatherproof Covers - One Hole 1/2" White - A weatherproof One Hole Powder Coated Aluminum Cover.4" Round Weatherproof Covers - One Hole 1/2" White features include: Gasket amp; Mounting Screws Supplied with One Hole Powder Coated Cover Seamless Die Cast Aluminum Powder Coat Finish Individually Shrink Wrapped Packaging cULus Listed Order Qty of 1 = 1 Piece Below is more info on our 4" Round Weatherproof Covers - One Hole 1/2" White