Package Contents: you will receive 8 sets of luminous straight blade electrical plugs and connectors, with a total of 16 male and female heads, the quantity is sufficient to meet your needs in an emergency and provide you with a spare power cord end for future use Easy to Use and Install: the lighted electrical plugs and connectors are easy to install, the grooved body allows you to grip, rotate, and pull them safely, the screws are installed from the same side for easy tightening