It is made up of highly polished golden brass, sturdy, durable and long-lasting life, it is easy to replace and use, a very innovative design with a fine finish for boats, yachts, kayaks and marines. This quality brass is durable, anti-rust and colorfast, corrosion-resistant, strong and sturdy enough to be used use for a long period of time. Brass Drain Plug is ideal for boat transoms, fish wells, ice chests, and a wide variety of uses. Dimensions: 2 inches mounting flange, the protrusion is 1-inch diameter and 7/16 inches deep, Replaceable Plug is 1/2-inch NPT requires no. 8 Fasteners. Package Includes: 1 pcs of Marine City Highly Polished Golden Brass Drain Plug.