Feature:1. [Good Sealing] The screw drain plug comes with an O ring washer for effective sealing, and the mounting design prevents the plug from being lost when removed.2. [Easy Installation] The drain plug shall be installed in a 1in diameter hole in the hull, rotatable, fully adjustable, and shall not leak or jam under vibration.3. [Stainless Steel Material] The drain plug is made of stainless steel, high hardness, no deformation, no rust, durable and stable.4. [Prevent Water Intake] Drain plugs keep water out of the kayak, keep you dry in the water, and drain excess water out of the hull.5. [Wide Application] The drain plug is boat transoms, fish wells , ice chests, the best yacht and other accessories, very practical.Specification:Item Type: Marine Drain PlugMaterial: Stainless steel, silicone sealing rubber ringFlange Size: Approx. 50 x 38mm / 2 x 1.5inInstallation Method: Install through hull in 1 inch diameter hole.Applicable: Marine, yacht, RV, etcAssembly Height: Approx. 42mm / 1.7inBottom Diameter: Approx. 19mm / 0.7inMiddle Diameter: Approx. 25mm / 1in.Package List:1 x Marine Drain Plug2 x Screw