This hard rubber grommet has a width of 1 1/4 inches and a thickness of 1/4 inches. It features a 5/16 - inch hole size. It's an ideal size for seat mounting, providing reliable support and stability.

Using this grommet is easy. Just place it in the appropriate spot for seat mounting. Make sure the hole aligns properly with the mounting points. When handling, avoid using sharp objects that could damage the rubber. To maintain it, clean it with a mild soap and water solution occasionally. This will keep the grommet in good condition and extend its lifespan.