ITEM NAME:Boat Garboard Hull Thread Drain Plug 1 inch Plastic Black for Marine Boats Yacht Description: Black nylon boat bung drain plug Screw type drain plug with a red o-ring washer for positive sealing Retention system prevents plug from getting lost when removed Mounts in a 1"/25mm diameter hole in hull Great replacement accessories for marine boat, yacht, raft, kayak, canoe, dinghy and so on Specification: Material: Nylon Color: Black Bung Outer Diameter: Approx. 2.5 cm/1 inch Flange Size (L x W): Approx. 5.3 x 3.6 cm/2 x 1.4 inch Screw Hole Diameter: Approx. 0.4 cm/0.16 inch Height: Approx. 5.45 cm/2.15 inch Package Includes: 1 Piece Boat Drain Plug Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! SKU: DMO0000356366003105.Black nylon boat bung drain plug. 1 Piece Boat Drain Plug. Screw type drain plug with a red o-ring washer for positive sealing. Retention system prevents plug from getting lost when removed. Flange Size (L x W): Approx.