National Artcraft's plug or stopper is made from flexible, red synthetic rubber. This plug is designed to fit a 7/16" diameter round opening and no more than 1/8" thick. The height of the plug is 13/32". For the best fit, measure your opening to the nearest 1/16 of an inch. In business for more than 75 years, National Artcraft is a name you can trust.

National Artcraft's flexible, red synthetic rubber stopper is designed to fit a 7/16" diameter round openings. Please measure carefully and see our photo for hole measuring guide. This plug will accommodate material that is no more than 1/8" thick. The height of the plug is 13/32".