Use this grommet to mount 2-1/2" round trailer lights. It's designed with a closed back to protect the connection from moisture and corrosion. Fits in 2-3/4" diameter cutout.
Mount a 3/4" round trailer light with this flush bracket. Compatible with dozens of Optronics LED models. Black plastic housing resists corrosion. Surface mount design installs easily. Light and mounting hardware sold separately.