The Brass Drain Plug is made up of Brass. This quality brass is durable, rust proof, colorfast, and corrosion resistant, strong and sturdy enough to be used for a long time. Neoprene Seal create a waterproof seal with good quality. Simple twist turn to lock operation can Create watertight seal. It is built with new stylish and innovative design. The snap handle drain plugs are enough for your daily use, they can be nice helpers for your work. It has a sleek handle for quick install and remove,easy to operate with adjustable rotating torque. Dimensions: 1 Inch Marine Boat Brass Drain Plug Can Replaces any standard. Package includes: 1 pc of MARINE CITY 1 Inch Marine Boat Brass Drain Plug with Neoprene Seal.