Fits 2 1/2" x 6 3/4" oval hole. Fits panel thickness up to 1/4". Material: PVC. Color: Black. Known for innovation, ethical business practices, and a strong commitment to providing quality products and service, Grote Industries is one of the world's leading manufacturers and marketers of vehicle lighting and safety systems. Founded over one hundred years ago, Grote has remained family owned from the day William Grote opened the doors for business.