This cable hanging system is perfect for securely hanging our new T5 Fluorescent Tek-Light fixtures - offering an attractive and clean appearance. In addition, they allow the user to easily adjust the fixture up & down. The pem bolts of the cable hangers screw into pem nuts in the top of the Tek-Light fixtures. The kit comes complete with 2 - 8 long stainless steel cables & all mounting hardware necessary to properly hang a Tek-Light from a ceiling or other support structure.