This Attwood drain plug with snap handle allows drains to be easily and reliably plugged on board. Simply insert the drain plug into a 1 inch diameter drain opening and turn the handle clockwise to tighten it. Press the handle to lock the plug. Lift the handle counterclockwise to unlock it for easy removal. For use in 1" diameter drain openings. The handle is brass and the plug is made of durable rubber. Attwood Corporation has been an award-winning leader in engineering, testing and manufacturing high quality marine products for over 100 years. We supply safe and reliable lighting, fuel systems, water systems, seat and base, float ladders, custom upholstery and general marine accessories that are easy to install and comply with regulatory requirements.