Rubber grommets push into place to protect wire, cable and cords by turning rough-edged and uneven holes into smooth, insulated holesSized to work with Custom Dynamics Dual Color (4 wire) LED Latch Lightz™ on OEM Harley-Davidson® hard saddlebagsGrommet measurements: 9/16'' hole diameter, 1/8'' inner diameter, and 3/4'' flange diameter