High Quality: The marine drain valve plug is made of high quality copper and rubber, sturdy and , high strength, no fading, long service life. Sealing performance: The rubber sealing ring of the drain plug has adjustable rotational torque, good sealing effect, no water leakage due to vibration, and keeps your yacht clean and odor-free. EASY TO INSTALL: Simply connect to your yacht's drain There is a round handle for quick installation and removal, easy to use. Wide Range of Applications: Drain valves are suitable for dinghies, yachts, kayaks, motor boats, generally used for boat bottoms, portholes, seawalls, lifeboats, hulls. Material: rubber+copper Color: as shown Package Contents: 1 x water plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.