Sure-Seal 10″ O.D. x 8″ I.D. Polar White Screw-Out Deck Plate (DPS-8-2-DP) by T-H Marine. Provides Easy Access to Fittings, Seacocks, Valves and Other Systems. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.