The drain bung is practical replacement parts for yacht, standard size, easy to install. Features: High-quality marine grade material, durabel to use. Lastics coloured washer for water-tight seal. Lastics retainer lug to prevent loss of bung when not in use. Light and useful, easy to install in boat. Can be used anywhere where quick drainage is required. Specifications: Material: Nylon Plug Diameter: 19mm / 0.75in Base Cut-out Size: 25mm / 0.98in Internal Flow Size: 17mm / 0.67in Package Weight: 45g / 1.59ounces Package Size: 100 * 80 * 50mm / 3.94 * 3.15 * 1.97in Packing List: 1 * Drain Bung