Wesbar 54201-004 Red Hi Intensity Micro LED Side Marker Clearance Light with Grommet Waterproof, one piece design Hi-Intensity Micro LED 12 volt, pre-wired with sealed 12 inch wire pigtail Self contained rubber mounting grommet PC rated for clearance and marker functions Recommended hole size is 3/4" and the recommended material thickness is between 1/16" to 1/8".