Beckson 4" Smooth Center Screw-Out Deck Plate - Black Manufacturer: Beckson Marine; Manufacturer Number: DP40-B Material: Black Plastic; Overall Dimensions: 6 1/8" Dia. x 3/4" D Cutout: 4 1/2" Dia; Mounts: (6) 1/8" Dia. Countersunk Holes Sold as seen in pictures; Note every computer shows colors differently; All measurements are approximate; Hardware and instruction/installation manual not included.